Merge remote-tracking branch 'upstream/master'
Update GDataXMLNode
Fixes one compiler warning.
Update to minizip 1.01h
Fix compiler warnings
Harmless but annoying.
Migrate from SenTestCase to XCTest
Use recommended ARCHS build setting.
Update schemes
Missing font-weight
Add Yosemite CSS file

Update all the targets to deploy on 10.6
Fix CGSize/NSSize conversion

Also add Universal building
Merge branch 'chrisridd-master'
Bumped version no to 1.6 to tag release.