Updated version number to 1.1.0

Author: Urs Wegmann

LessMsbuildTasks.1.0.0.nuspec

@@ -2,7 +2,7 @@
 <package xmlns="http://schemas.microsoft.com/packaging/2010/07/nuspec.xsd">
     <metadata>
         <id>LessMsbuildTasks</id>
-        <version>1.0.5</version>
+        <version>1.1.0</version>
         <title>.Less Msbuild Tasks</title>
         <authors>James</authors>
         <owners />