v0.7.0

MRFingerprintingRecon v0.7.0

Diff since v0.6.0

Merged pull requests:

• New version: v0.6.0 (#32) (@JakobAsslaender)
• Overloaded calcFBP function to allow for easier non-MRF fbps (#33) (@SebastianFlassbeck)
• merge backprojection (draft) (#34) (@JakobAsslaender)