Delete MyReleaseKeyStore.jks

Bump app-version to 1.3.0

clean code

- fix custom view gravity issues

update project with showcase shape and bg shape and rect direction

- bump lib version to 1.3.0

add ripple background

update lib version to 1.2.1

add support for adding a view object to the ShowcaseView

Add sample app link from playstore

Add support for multiple screen sizes

incremented lib ver to 1.2.0

fix critical issue with viewtreeobserver and incremented lib to 1.2.0

update screen orientation

update .gitignore and layouts of sample app