Corrected the flipping of fibers.
Merge pull request #134 from jchoude/bf-95-fiber_flipping

Corrected the flipping of fibers.
Added Map seeding option in Ui. Not functional
Now working quite well. Bug to fix: Turn OFF map Seeding crash, and check when selecting another map, the number of voxels is erroneous
Added new functionality to work on: Drawctography. Fibers now appears when drawing on anatomy in a real-time fashion
Fixed a bug that occured when Map Seeding was turned off. The number of seed per axis is now reset to its default value
Select alternate seed map now works fine. Also, cleared some comments in trackinWindow and RTTFiber. Issues 79 and 93 will be closed by this.
fixed anatomy reloading from drawing
Merge pull request #137 from chamberm/RTT_maskseed

Rtt maskseed 

Added Map seeding option in HARDI-RTT Ui.
User can now either draw, or load a binary map to act as seeding points.
The number of seeds per axis slider can be used to determine how many seed per voxels are present.
(use 1,2 or 3 seed per axis, for optimal results) , fixes #93

Also fixed anatomy reloading bug, fixes #136
Also removed unused commented lines, fixes #79