Added piesno
Added tests
cleaned init
Changed tests + small fixes
Changed tests to work with optimal quantile value instead of median
Merge branch 'nipy-dipy-master' into piesno
Added piesno
Added tests
cleaned init
Changed tests + small fixes
Changed tests to work with optimal quantile value instead of median
Merge branch 'piesno' of github.com:samuelstjean/dipy into piesno
Added missing $ sign
Merge pull request #360 from samuelstjean/typo_fix

Added missing $ sign
Changes to fix issue #361: matrix sizing in dipy.tracking.utils.connectivity_matrix
Update test_utils.py
tidying code.
Merge pull request #362 from AndrewLawrence/master

Fix bug with connectivity matrix shape, issue #361.
RF: make cvxopt optional for tests

Protect against errorts in tests when cvxopt not installed.
BF: fix funky error using __import__ on cvxopt

Very strange error importing cvxopt with python3 and __import__; maybe
this is because I was using an half-documented form of the function
(passing an empty string in `fromlist`).

Don't pass empty string when it's not needed in optpkg