Added a space on the line break.
Started working on ellipsoid visualization
Added tensor function for tensor visualization as ellipsoids
Removed show from test
Added option to visualize the odfs with the color_fa color
Updated suggestions and examples
minor changes

modified:   ../dipy/tracking/eudx.py
modified:   ../dipy/tracking/propspeed.pyx
modified:   examples/reconst_dti.py
modified:   examples/segment_quickbundles.py
Added clipping of odf in csa
Made fvtk.tensor more flexible. It can now colour with different scalar fields like the color_fa
peak_extraction can now return peaks directions
peaks_from_model now uses ndindex instead of enumerate
Merge branch 'nipy-dipy-master' into correct_typo
Added some words to a print
TEST+DOC in ellipsoid and docs

Added tests for number of actors

modified:   ../dipy/viz/fvtk.py
modified:   ../dipy/viz/tests/test_fvtk.py

Added docs for color_fa normalization of the ellipsoids
and clipping of the csaofs to be positive

modified:   examples/reconst_csa.py
modified:   examples/reconst_dti.py
shape as a tuple broke some tests and the function, now fixed
Added ndindex changes that got mixed up somewhere else
This code currently fails.

This is because of some silly bugs in dti.py. Going next to fix that.
BF: Use `iterable` to determine if sigma is a sequence.
Merge pull request #222 from arokem/fix_restore_bug

BF - Fix restore.
Travis got stuck, making it rebuild.