Add ASTFlatten
Add ASTFlatten to readme
Update LICENSE
Update LICENSE
License under MIT
Update CocoaPods
Merge branch 'master' into flatten

Conflicts:
	Asterism.xcodeproj/project.pbxproj
Preserve non-array elements
Merge pull request #7 from felixjendrusch/flatten

Add ASTFlatten
Add ASTFlatten to Asterism.h
Suppress unused variable warnings
Fix spelling
Add ASTPick to readme
Merge branch 'master' into pick

Conflicts:
	Asterism.xcodeproj/project.pbxproj