manage js --watch
Use //= require_self
Fix new `manage js` bug
$.formIsDangerous
Tweaks to dangerous forms

- group deletion asserts requirement
- repos only need name confirmed
- only alert user prompt didn't match if they
  typed something
Tweak commit message styling
Better session
Repo model creation must coincide with git init
Wheel can switch to be other users
Less verbosity
Toy with repo adding UI