ENH: added 'hsvs' option to 5ttgen + mrtransform fix

[teanijarv]

trafficstars

• added Hybrid Surface and Volume Segmentation ('hsvs') option to the 5TT image generation class
• removed the in_file existing requirement (exists=True -> exists=False) for 5ttgen because hsvs requires a directory not a file as input
• changed '-inverse' parameter location from 1 to 2 in mrtransform class (to make it possible to insert it in the command together with other parameters)

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 63.15%. Comparing base (42302ed) to head (7fc44fd). Report is 7 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #3630   +/-   ##
=======================================
  Coverage   63.15%   63.15%           
=======================================
  Files         308      308           
  Lines       40825    40825           
  Branches     5656     5656           
=======================================
  Hits        25781    25781           
  Misses      14031    14031           
  Partials     1013     1013           

:umbrella: View full report in Codecov by Sentry.
:loudspeaker: Have feedback on the report? Share it here.