Fixed the release tag generation

Also changed the order in which the new versions are persisted in the database

Author: dilipkrish

buildSrc/src/main/groovy/springfox/gradlebuild/BuildInfo.groovy

@@ -50,7 +50,10 @@ class BuildInfo {
   }
 
   String getReleaseTag() {
-    currentVersion.next(releaseType, "")
+    if (isReleaseBuild) {
+      return "${buildVersion.major}.${buildVersion.minor}.${buildVersion.patch}"
+    }
+    ""
   }
 
   boolean getIsReleaseBuild() {

buildSrc/src/main/groovy/springfox/gradlebuild/version/FileVersionStrategy.groovy

@@ -41,9 +41,9 @@ class FileVersionStrategy implements VersioningStrategy, GitTaggingSupport, GitV
   @Override
   void persist(Project project, BuildInfo buildInfo) {
     if (buildInfo.isReleaseBuild) {
+      createAnnotatedTag(project, buildInfo)
       updateVersionFile(project, buildInfo)
       commitToRepository(project, buildInfo)
-      createAnnotatedTag(project, buildInfo)
     } else {
       project.logger.warn("Should never be called when its a snapshot build")
     }