Improve pages transition
add 2 page transition effect
add background color to pages to test transition
Rename transitions names, add pages and bgs color
more page transition effect and misc stuff
add 4 page transition effect
add one(1) page transition effect
add flip page transition effect
remove an unnecessity line and add some comments
Merge pull request #171 from WellingGuzman/pages-transition

Improve pages transition + Effects