Start API14 branch:
Switch to multiple Activites infrastructure
Fix bugs, re-adding previous features
Re-add history solvelist & update Open Source Licenses
Set title of settings page and history solvelists
Add keep screen on setting
Change back to fading for switching;
Fix spinner for session list
Change fading of current session;
Make fading duration longer;
Fix spinner hiding when nav drawer opens
Remove spinner dividers
Change spinner look;
highlight selected item in list
Bump version to 0.1.1
Bump versionCode to 7
Add delete button in history solvelist