Checks if the video exists. (A better solution, typo fix)
Video check (update)
Merge pull request #26 from ruimalheiro/develop

Display a message on the video page if that video file doesn't exist.
Merge branch 'i18n' into develop

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Merging to allow Bill to pull and test, and to prevent bigger merge conflicts as more code changes.
Merge branch 'develop' of github.com:jamalex/ka-lite into develop

Conflicts:
	kalite/main/views.py

Merged i18n conflicts (bonus: found some strings we missed!)
Moved locale directory out into content/
Bug fix: File downloads now work after a previously cancelled download.
No page refresh required.
Merge branch 'develop' of github.com:jamalex/ka-lite into develop
Only displays description if it actually exists!
(update)
Merge pull request #27 from ruimalheiro/develop

Only display description on video page if it actually exists!
Preliminary stage of topictree json extraction tool.
Merge branch 'develop' of github.com:jamalex/ka-lite into develop
Fixed AJAX cache problem (causes trouble to IE)
Merge pull request #28 from ruimalheiro/develop

Fixed AJAX cache problem in IE by turning off jQuery AJAX caching globally.
Merge branches 'master' and 'develop' of github.com:jamalex/ka-lite into develop
Updated crypto system to OOP-style, using M2Crypto when available. Tests!!
Merge branch 'develop' of github.com:jamalex/ka-lite into develop
Replaced function serialize_public_key that no longer exists.
Fixes to i18n loading and formatting in a few templates.