add style to bbmBubble
fix return before building object
memory optimizations for issue #373
fixes for issue #600
fix for issue #601
fixed issue #588
fix for issue #592
playbook and BBOS fixes for issue #592
Merge branch 'master' of https://github.com/blackberry/bbUI.js
fix for issue #583
initial fix to detect 720x720 screen
Merge pull request #533 from fredericosilva/master

add bb.bbmBubble.style
updating rest of files for bbm bubble style for issue #451
Added Frederico to the contributor list of the readme
update for issue #583
updated change log
updated action bars to have proper sizing in landscape for issue #467
Merge branch 'master' of https://github.com/blackberry/bbUI.js