Fix the light background drawable

The Holo light background in AOSP is not a radial gradient. This commit
replaces the drawable with a copy of the AOSP drawable.
Merge pull request #401 from veeti/background

New holo-light window background
Fix the dark background drawable

Copying OASP drawable.
Add "Featured implementations" section in readme
Meditation Assistant application in featured list. Test travis config
Argh, travis nop commit
Update to ABS 4.3.0
Fix #406
Native android doesn't provide item background (blue or other any) for modal choice mode
Fix #409
Update some stuff
Fix #402.
Inner fragment for PreferenceScreen not fully done, removed
Fix #407
Ooops, Slider addon remove content view not from parent
Added javadoc to document #298
Add "Ragnabase MVP"
Update Slider (shadowColor) and some things...
Argh, DemoDialogActivity was not commited
FontLoader unpack fonts into cache folder, instead data folder
Partially rewrite a FontLoader, colorize shadow in slider demo, some optimizes
"Be sexy" - new slogan of DemoTabsActivity
Open source licenses in about item