1.x: add package-info.java to the public packages (ReactiveX#4062)

* 1.x: add package-info.java to the public packages

* Adjust descriptions

Author: akarnokd

src/main/java/rx/annotations/package-info.java

@@ -0,0 +1,20 @@
+/**
+ * Copyright 2016 Netflix, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * Annotations for indicating experimental and beta operators, classes, methods, types or fields.
+ */
+package rx.annotations;

src/main/java/rx/exceptions/package-info.java

@@ -0,0 +1,21 @@
+/**
+ * Copyright 2016 Netflix, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * Exception handling utilities, safe subscriber exception classes, 
+ * lifecycle exception classes.
+ */
+package rx.exceptions;

src/main/java/rx/functions/package-info.java

@@ -0,0 +1,21 @@
+/**
+ * Copyright 2016 Netflix, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * Functional interfaces of functions and actions of arity 0 to 9 and related
+ * utility classes.
+ */
+package rx.functions;

src/main/java/rx/observables/package-info.java

@@ -0,0 +1,21 @@
+/**
+ * Copyright 2016 Netflix, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * Classes extending the Observable base reactive class, synchronous and
+ * asynchronous event generators.
+ */
+package rx.observables;

src/main/java/rx/observers/package-info.java

@@ -0,0 +1,21 @@
+/**
+ * Copyright 2016 Netflix, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * Default wrappers and implementations for the base reactive consumer classes and interfaces;
+ * utility classes for creating them from callbacks.
+ */
+package rx.observers;

src/main/java/rx/package-info.java

@@ -14,7 +14,8 @@
  * limitations under the License.
  */
 /**
- * <p>Rx Observables</p>
+ * Base reactive classes: Observable, Single and Completable; base reactive consumers;
+ * other common base interfaces.
  * 
  * <p>A library that enables subscribing to and composing asynchronous events and
  * callbacks.</p>

src/main/java/rx/plugins/package-info.java

@@ -0,0 +1,21 @@
+/**
+ * Copyright 2016 Netflix, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * Callback types and a central plugin handler class to hook into the lifecycle
+ * of the base reactive types and schedulers.
+ */
+package rx.plugins;

src/main/java/rx/schedulers/package-info.java

@@ -14,6 +14,7 @@
  * limitations under the License.
  */
 /**
- * Rx Schedulers
+ * Scheduler implementations, value+time record classes and the standard factory class to 
+ * return standard RxJava schedulers or wrap any Executor-based (thread pool) instances.
  */
 package rx.schedulers;

src/main/java/rx/singles/package-info.java

@@ -0,0 +1,20 @@
+/**
+ * Copyright 2016 Netflix, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * Classes extending the Single base reactive class.
+ */
+package rx.singles;

src/main/java/rx/subjects/package-info.java

@@ -0,0 +1,21 @@
+/**
+ * Copyright 2016 Netflix, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * Classes extending the Observable base reactive class and implementing
+ * the Observer interface at the same time (aka hot Observables).
+ */
+package rx.subjects;