Add ASTPick
Add ASTPick documentation
Add ASTPick spec
Add ASTPick to readme
Merge branch 'master' into pick

Conflicts:
	Asterism.xcodeproj/project.pbxproj
Fix project file

Sorry, missed this one.
Add ASTPick to Asterism.h
Merge branch 'master' into pick

Conflicts:
	Asterism.xcodeproj/project.pbxproj
Merge pull request #14 from robb/pick

Add ASTPick