Fix Yail Generation for Packaged Apps and Unicode

Make sure unicode characters are rendered properly for packaged apps.

Change-Id: I5effd706d99053705cd1a059f7934cf1e3db19c5
Fixed bad column selector in email picker.

This still uses the deprecated contacts package and need to be
updated.

Change-Id: Ibc4cd95cb4f25e42e1fb9c8aa424957729ec3265
Tweak the documentation for EmailPicker and make the same change
in the reference documentation.
Remove tabs.

Change-Id: I2e9941d9303b9707880b6b189d3c934b1a023c08
Fix various documentation issues from ticket #602
Removed redundant some redundant <p>'s and added some newlines

Change-Id: I60b7e7e89b31f9af36ce24595d710b9983db157a
Add Unauthenticated APK Downloads.

The QR Code displayed for Build=>QR Code will now work for anyone
instead of just the logged in user. However it is only valid for 2
hours.

Change-Id: I40f28ec1402bd7385989cdd0f41e94e18c1cbd90