Improvements to fullscreen mode

On KitKat use sticky immersive mode and make it more persistent. On
Jelly Bean use window flags instead of Chrome's built in fullscreen mode
Attempt to use internal method for edit URL
Fix request tab focus in Chrome Beta

Fix for Chrome Beta version 39.0.2171.25
Fix loadUrlParams in Chrome Beta

Fix for Chrome Beta version 39.0.2171.25
Fix initialisation in Chrome Beta

Refactor initialisation and hook ChromeActivity instead of
ChromeTabbedActivity. Fix for Chrome Beta version 39.0.2171.25.
Version 0.1.2

Hotfix for Chrome Beta v39.0.2171.25
Add options to change pie menu & trigger area size
Merge remote-tracking branch 'origin/hotfix'
Use ifRoom instead of always for actionbar item
Disable print on new tab page
Update icons

Change desktop site, reload, stop loading & history. Fix add to home
opacity & remove unused settings icon.
Improve icon loading

Use a TypedArray of drawables to access the icon ids
Check whether add to home action is supported
Check item action support separately

Check whether actions should be enabled separately to avoid conflicts