Many media files and source code files were marked as executable in Git.
Remove those.
Also a shell script and python script were not marked as executable.
Change-Id: Ieb51bafb46c895a21d2e83696f5a901ba752b2c5
docs: rewrite resources documentation
Huge overhaul. Includes all new dev guides about how resources are used
on Android and how to provide alternatives, including how to handle
runtime configuration changes (restarts). Plus all new reference
docs for all the resource types (drawables, strings, menus, etc.).
Change-Id: I12e819d2c5fc11e062281d8fe442c3037e92000a
Adding a new Localization doc and Hello Localization tutorial, along
with graphics. Updating the left-nav to include these two documents.
Moved images into /images folder. Changed to max linewidth of 80.
