Merge pull request #53 from akeshavan/master

major bug fix in datagrabber
Merge pull request #54 from akeshavan/master

fix: sliceorder
Merge pull request #55 from akeshavan/master

ENH/WIP: new first level workflow with EV files as inputs, and other WIPS added
Custom slice order for AFNI
comment out parameter append
Fixed identation
changed custom order file to order file supplied by user.
Merge pull request #57 from stymy/enh/custom_sliceorder

Enh/custom sliceorder
fix: added mask option for group level, wip: dicom conversion
fix: updated for newest nipype version
enh/wip: saveworkflow functionality
RF/BRK: huge refactor, things might be broken
RF: Things work now maybe. Needs testing
Merge remote-tracking branch 'upstream/master'
Merge branch 'refactor'
Merge pull request #58 from akeshavan/refactor

Refactor