Do an initial modernizing

- Remove usage of outdated drawables
- Set the theme as Holo
- Update manifest
- Swap button order
Fix some more Alert dialog drawable code to match Holo
More Fixes

- Update refresh drawable for actionbar
- Add Refresh to actionbar
- Set correct theme for ParcelView activity
Update version and fix drawable mistake
Remove dialog drawable, set correct theme for Settings and add readme

The generic dialogs no longer have icons in 3.x.
Update version and copyright

Also add missing drawable
Update About message
Should now gracefully downgrade to HoloLight on API level < 14

The Holo Light with Dark Actionbar theme requires API level 14+
Add Android Support Library v4
Add actionbar back arrow to ParcelView
Add whitespace to About message
Add back carot to ConfigView
Update target to API level 18 (Android 4.3)
Update almost all drawables and add xxhdpi assets
Make button layout xml more readable
Make dialog buttons look holo-like
Fix language referring to Barcode Scanner and fix warnings
Modernize Add Parcel dialog and reduce clutter
- Use holo dialog buttons
- Make "Scan Barcode" an ImageButton and add a custom drawable
Small change that supposedly improves layout performance slightly
Fix event view padding and use Holo Light for API level 14 and later