modernized action bar icons

updated the action bar icons from android 2.3.* menu icons to android
4.0+ holo-light action bar icons from the [Action Bar Icon
Pack](http://developer.android.com/downloads/design/Android_Design_Icons_20120814.zip)
added eclipse project .settings dir to .gitignore
adding query hint to search view
Merge remote-tracking branch 'origin/modernmenuicons'