Adding support for dynamic nuber of items
Updating readme
Throwing exception when num side items is less than 0
Changing num itesm programmatically
Updating snapshot version
Adding RTL support
Layout optimization
comments
Fixing issue where layout was happening to soon
Saved state for selected item
Merge branch 'feature/saved_state' into develop

Conflicts:
	HorizontalPicker/src/main/java/com/wefika/horizontalpicker/HorizontalPicker.java
Adding talkback support
Adding support for dpad key events
Key events fix
Updating changelog
Bumping snapshot version
Updating version