fix multi-targetting
added universal support
added/reinstated efficient null checking for pcl, sl5 and wp8
added win81 support
fix project name casing
refactor: rakefile whitespace
refactor: switch travis to Ruby 2.1.1 and restrict Albacore to 0.3.6
refactor: reduce mono build to just net35 targets
Merge pull request #95 from adamralph/fix-platforms

Fix platforms