Update Gradle Android Plugin to 1.0.0-rc4
Change wording of setting option
Pull updated translations from Transifex
Prepare changelog for 5.103
Bump version to 5.103
Update compileSdkVersion to 21 and Gradle Android Plugin to 1.0.0
Add code style settings for Android Studio
Remove Eclipse settings
Use TextUtils.isEmpty
Package visibility
Move database code into correct package
Package visibility
Fix visibility
Fix visibility
Split message code into Local/Remote

The remote network code does not need to be aware of concepts like
Accounts etc.
Avoid cast
Naming
Move SSL code into package
Remove Preferences dependency
Move things into local