Better error handling when downloads fail.
Verify password before building.
Imported latest UpdateProfiles.
Set version 1.4.4.
Set version 1.5b.
Stub out broken installer size check.
Added update profile for 10.10.
Xcode 6.
Added fallback for calculating package size requirements.
Removed unused class.
10.10 SDK.
Use kramdown for markdown processing of README.
Imported latest UpdateProfiles.