Add basic captr creation feature
Remove useless `can`
Add timeline review scenario
Add authentication feature draft
Add organization feature draft
Improve Organization Feature

* Remove useless `list` word
* Clarify removal expectation
Add Videos Management Feature

* Remove obsolete captr_editing.feature
I tried to split things up a bit and define even more steps
Here goes pair feature tests. Beat it! ;-)
Unsplit sign in/up into one big authentication feature. Yes, we did it!
Refer to what user expects to see
Delete unrelated features
Merge branch 'initial-features-proposal'