move NSObject addition other classes and additions
added ability to remove constraint. refactored child constraints
v0.1.6
rename installation methods, set delegate in init of MASCompositeConstraint
mac osx support
v0.2.0
reference source files directly
fixing .travis.yml
Update README.md
Update README.md
change multiplier syntax
v0.2.1
Update README.md
macosx 10.7 compatibility
v0.2.2
Update View+MASShorthandAdditions.h

Remove unnecessary import of UIKit, allowing OS X to compile successfully.
Merge pull request #10 from DinosaurDad/patch-1

Update View+MASShorthandAdditions.h to allow OS X compiles.
remove unnecessary enum MASCompositeConstraintType and misc tidy up
fix spelling
Fix OS X framework target.