Added setting 'retractionAmountPrime' specifying the amount of filament added to the prime after the retraction.
Introducing raftFanSpeed and raftSurfaceSpeed
Merge pull request #72 from Gregwar/raft_parameters

Introducing raftFanSpeed and raftSurfaceSpeed
Merge pull request #71 from Ryoko/AddToPrime

Added setting 'retractionAmountPrime'
Merge branch 'master' of https://github.com/Ultimaker/CuraEngine into anchor

Conflicts:
	fffProcessor.h