removing absolute path in reconst

[skoudoro]

The goal of this PR is just to resolve #999

[arokem]

Awesome. Thanks for doing this. I'll wait for travis to be done and then we can merge this.

[codecov-io]

Codecov Report

Merging #1260 into master will increase coverage by <.01%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master    #1260      +/-   ##
==========================================
+ Coverage   87.04%   87.05%   +<.01%     
==========================================
  Files         226      226              
  Lines       28262    28262              
  Branches     3026     3026              
==========================================
+ Hits        24602    24603       +1     
  Misses       2976     2976              
+ Partials      684      683       -1

Impacted Files	Coverage Δ
dipy/reconst/odf.py	92.59% <100%> (ø)	⬆️
dipy/reconst/tests/test_vec_val_vect.py	93.93% <100%> (ø)	⬆️
dipy/reconst/dti.py	96.5% <100%> (ø)	⬆️
dipy/reconst/shore.py	89.64% <100%> (ø)	⬆️
dipy/reconst/tests/test_shore.py	95.23% <100%> (ø)	⬆️
dipy/reconst/gqi.py	54.54% <100%> (ø)	⬆️
dipy/reconst/multi_voxel.py	92.85% <100%> (ø)	⬆️
dipy/reconst/tests/test_interpolate.py	100% <100%> (ø)	⬆️
dipy/reconst/mapmri.py	90.25% <100%> (ø)	⬆️
dipy/core/graph.py	75% <0%> (+1.19%)	⬆️

---

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[coveralls]

Coverage remained the same at 85.656% when pulling 86174a1 on skoudoro:issue-999 into 599af3e on nipy:master.

[coveralls]

Coverage remained the same at 85.656% when pulling 86174a1 on skoudoro:issue-999 into 599af3e on nipy:master.