Collective.documentgenerator

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- Added style template on basic Template type.
[sgeulette]

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- Include batch in templates listing.
[sgeulette]
- Corrected encoding error in date display
[sgeulette]

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- Corrected collection template
[sgeulette]
- Fix bug in styles update
[sgeulette]

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- Corrected actions_panel call.
[sgeulette]
- Added method `get_file_binary` to helper view, it returns the binary data of
a file object, managing fact that object is a Dexterity or Archetypes file.
[gbastien]
- Require `future>=0.14.0` to be able to use the `html` package.
[gbastien]
- Fixed tests to work in french (this validates translations, especially of
date methods). Fixed tests to work in both Plone 4.3.x and Plone 5.x
[gbastien]
- Upgraded pip on travis. Don't use bootstrap. Upgrade setuptools.
[sgeulette]

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- Manage translation of week and month in date display
[sgeulette]
- Add download column in list template
[sgeulette]

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- Added view to reset style_modification_md5 (so template is considered as not modified).
[sgeulette]
- Added view to list all templates
[sgeulette]
- Added field `pod_template.optimize_tables` that makes it possible to
`use global value/force enable/force disable` table optimization for a single
POD template
[gbastien]