Add multiline support for dropdowns

* Change to vertical-aligning of both primary and accent text
* Tested on Dev B and Playbook emulator
Add .swp files to gitignore
Remove unnecessary CSS
Fixing diagonal join on the border in the ContextMenu's item renderer
Adding a shadow to the left of the ContextMenu
Fixing diagonal border join on selected tabs in the ActionBar
Outter shadow on tabs in ActionBar now extends top the bottom of the bar
Centering action overflow button graphic (three dots) vertically in the action bar on 1280x768
Removing 1px border from the top of the ActionBar
check in fix for #618
updates for issue #651
Merging 720x720 changes from master
Adding package.json file for easier initial setup. Use npm install to install build dependencies
ActionBar visual fixes for 720x720
added title bar modification
Merge pull request #653 from plemarquand/master

ActionBar/ContextMenu visual fixes
updating jake file and regenerating files
fixing a actionbar height bug.. off by 1 pixel
Merge pull request #661 from dmkc/413_dropdown

#413 Multi-line dropdown
updated samples and core files for issue #413