Initial conversion to ActionBarSherlock

Still need to convert preferences, history, commands and memory tabs
Activities still display, however they display incorrectly
Fixed Vortech and History popup windows
Re-wrote history window to be more efficient
Updated history list to use action bar
Updated preference activity
Renamed actionbarsherlock library
Changed Commands activity to be derived from Activity instead of BaseActivity

This removes the title bar displaying under the tabs on Android 2.3.3
Improved Date and Time activity to remove title bar on android 2.3.3

Fixed date and time layout to not shift buttons when the time is retrieved. Improved layout drawing performance slightly.
Updated Memory page to remove title bar from Android 2.3.3

Code improvements
Code and library update
Cleaned displayed changelog
Updated version to 0.9.0
Added ViewPagerIndicatorLibrary reference
Removed shortcut key references
Added new icons and commands to actionbar

Updated all icons for the app. Actionbar now contains commands associated with the new icons.
Removed Refresh button

Launch status update from the refresh button in ActionBar
Removed old debugging output
Code cleanup
Added ViewPageIndicator

Added new class to allow for setting a name to the Pages
Cleaned up a lot of code
Updated some strings
Removed the titles from all the page layouts
Updated changelog