add option to output the first frame
Merge branch 'online_preproc' into testing_tmp

* online_preproc:
  add option to output the first frame
Merge branch 'master' into enh/dcmstack

* master: (116 commits)
  regex matching bug fixed in interfaces.spm.model
  ENH: .travis.yml - no need for apt-get update -qq (neurodebian magical script does it), travis_retry to robustify apt-get from neurodebian
  BF: Fix DataFinder bug introduced in d985f677
  enh: Add support for spm/mcr config via env vars
  Catch only KeyErrors when checking for env var
  Fix inconsistent indentation
  Fixed tests
  [FIX] correctly parse clfrac input parameter
  Quick fix - install issues.
  Fixed GA code.
  Added copyfile=False argument for compatybility with some versions of AFNI.
  tst: cleaned up tests
  Extra tests for desing generation.
  Added new lines at the end of FSL design files
  removed obsolete xor, fixed tests
  Added and fixed tests
  0.9
  removed deprecated input
  doc: added to CHANGES and clarified wording in vagrant doc
  doc: added internet requirement
  ...
Merge branch 'enh/dcmstack' into testing_tmp

* enh/dcmstack: