Initial commit; HdHomeRun and HdHomeRun::Runner tests in place.
Progress. ChannelScanner works, populates the DB with channels.
Network-dependent tests broken out into `rake test:network`.
More stuff. Better tests, TvTuner and ChannelScanner class improvements.
Added a free railstheme.
Fleshes out device editing, channel tuning.

- Responsive grid for channels
- In-page device adding/editing
- Adds a VLC link in the header
- More tests
Converts from railsthemes to bootstrap.
Updates README, adds secret token replacer task.