Updated to version 2.0.
Updated copyrights.
Refactored.
Added put/obtain methods with keyResId.
Added put/obtain methods with keyResId.
Updated to version 3.0.
Merge branch 'develop'
Fixed mistaken update to version 3.0 to version 2.0.
Merge branch 'develop'
Merge branch 'master' into release

Conflicts:
	library/src/androidTest/java/com/wit/android/preferences/PreferencesManagerTest.java
	library/src/androidTest/java/com/wit/android/preferences/sharedpreference/EnumPreferenceTest.java