Fix scripts to comply with PEP8 1.5.0
Fix commented blocks indentation
Merge pull request #74 from sbesson/rebased/dev_4_4/pep8_1.5.0

Fix scripts to comply with PEP8 1.5.0 (rebased onto dev_4_4)
Fixing check for valid channels to handle both Channels and ChannelsExtended
merge dev_4_4 -D org: PR 67 (Allow passing extra channel rendering options to Make_Movie script (see ...)
merge dev_4_4 -D org

Repository: ome/scripts
Updating bef5c0c..4e28e22
Merged PRs (fast-forward):
  # PR 74 sbesson 'Fix scripts to comply with PEP8 1.5.0 (rebased onto dev_4_4)'
  # PR 65 sbesson 'Drop --use-mirrors from .travis.yml (rebased onto dev_4_4)'

Merged PRs:
  # PR 67 cneves 'Allow passing extra channel rendering options to Make_Movie script (see ...'

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