MOBI-768 Menu Button wraps long text
- wrapping long text fixed by redesigning css so that the button now expands with the text
- added default button styling and removed custom menu button cosmetic styling

git-svn-id: http://anonsvn.icesoft.org/repo/icemobile/trunk/icemobile@35857 1de00972-ac04-4911-a46b-06793c8d78d9
MOBI-768 Menu Button wraps long text
- change iphone button css to scss and add border-box mixin

git-svn-id: http://anonsvn.icesoft.org/repo/icemobile/trunk/icemobile@35858 1de00972-ac04-4911-a46b-06793c8d78d9
MOBI-728 - mobileshowcase - add menuButtonGroup to menuButton example

git-svn-id: http://anonsvn.icesoft.org/repo/icemobile/trunk/icemobile@35861 1de00972-ac04-4911-a46b-06793c8d78d9