Adds CFAttributedString and CFMutableAttributedString and makes CoreText methods depend on these CF types instead of NS types.
Merge pull request #25 from tempelmann/master

Adds CFAttributedString and CFMutableAttributedString and makes CoreText methods depend on these CF types instead of NS types.
Fixes handling of empty lines in CTLine example
Merge pull request #26 from tempelmann/master

Fixes handling of empty lines in CTLine example
Core Text: Fixes small issues and adds setting of Font
Merge pull request #27 from tempelmann/master

Core Text: Fixes small issues and adds setting of Font
Merge pull request #28 from declaresub/master

Add NSSearchField.AddMenuSeparator.