Merge pull request #77 from scheib/master

Window State Sample created; Removed Fullscreen Sample.
Use openWritableFile to maintain a writable link
Merge pull request #79 from joemarini/master

Use openWritableFile
Updating weather app to include a loading screen
If we fail to find your geolocation, stop loading and jump to settings
Fading the weather load screen, after small delay
Add http://www.apache.org/licenses/LICENSE-2.0.txt.
Add license header to README.
New window creation options of Minimized, Maximized.

Upcoming feature work http://crbug.com/163626 will enable window.create
to create windows already fullscreen, maximized, or minimized.