Bump version to avoid any accidental usage of 0.1.22.dev|rc versions (reverted Image cropping)
LUN-1012: allow orphaned snippets on site form
* tox integration
Merge pull request #37 from pbs/LUN-1012

LUN-1012: allow orphaned snippets on site form
LUN-1234: allow apps to use their own perms checks
Stop using mirrors for pip as per PEP449
LUN-1333: fixed sites saving when not all sites are available for user
* imrpoved code readability
Never allow orphan snippets to be used on pages.
Merge pull request #38 from pbs/LUN-1234

LUN-1234: allow apps to use their own perms checks
Bump version as instructed by bamboo. Switch to increase the minor instead of patch
Merge pull request #41 from pbs/LUN-1350

Never allow orphan snippets to be used on pages.
Merge pull request #39 from pbs/LUN-1333

LUN-1333: fixed sites saving when not all sites are available for user
Fix missing content blocks for cached smartsnippets.

The issue fixed is the restoring in the context object of the Sekizai
content. Normally the content would have been added at the time
the *addtoblock* tag is rendered. Unfortunately this caused missing
css/js content since the addtoblock tag never got rendered. Therefore
the blocks content never got added in the context object.

Sekizai 0.7.0 provides a watch mechanism for the context objects.
This keeps track of what's being added to the context after rendering.
By storing alongside the rendered content, the this context difference
we can restore the missing *addtoblock* contents.

See also: https://github.com/divio/django-cms/issues/1577
Add tests to smartsnippet caching restore.
Add cache invalidation on save.
Delete cache keys in one go.
Merge pull request #42 from pbs/restore_caching

Fix missing content blocks for cached smartsnippets.
Add pyo files to gitignore list
Bump version as instructed by bamboo