Merge pull request #733 from sgiavasis/master

Added 'in_file_c' to the CalcInputSpec of afni/preprocess for secondary operand files.
fix: cleaned up provenance output to be more compact and precise
Merge pull request #736 from satra/fix/prov

fix: cleaned up provenance output to be more compact and precise
remove warnings
Merge pull request #737 from satra/fix/warn

Remove warnings about uninstalled interface software
fixed #722
regenerated tests
Merge pull request #740 from chrisfilo/fix/volreg

fixed #722
enh: provide some clue for fmri_openfmri cmdline arguments values
enh: updated from upstream
enh: enabled provenance tracking and multicore execution
fix: provenance tracking improvements with hash generation
Merge pull request #742 from yarikoptic/master

enh: provide some clue for fmri_openfmri cmdline arguments values
Merge pull request #743 from satra/fix/prov

Fix/prov
Update .travis.yml
Fixed Frontiers citation
Update indexsidebar.html
Merge pull request #744 from apdavison/patch-1

Fixed Frontiers citation
Merge pull request #5 from nipy/master

Update nipype fork.