Remove relationCollections feature flag

Additional clean-ups include leaving a gap in the line for the indicator.

Lint/undocumented.
Reenable the unit count control after reducing the number of units
remove unneeded update events
Update to use juju-quickstart
Merge pull request #133 from mitechie/update-quickstart

Use the juju-quickstart so we can try to get the command-not-found to help aid in finding the plugin to install.
Merge pull request #132 from benji-york/bug-1279550
Switching to variable for image width rather than magic numbers.
Merge pull request #130 from makyo/relations-final

Additional clean-ups include leaving a gap in the line for the indicator.

Undocumented updated for removed code; these were the only changes, but line-numbers changed quite a bit.  That file can be safely ignored.

```
app/views/topology/relation.js "subRelBlockMouseLeave" listed as undocumented but does not exist
app/views/topology/relation.js "subRelBlockMouseEnter" listed as undocumented but does not exist
Backlog of undocumented functions: 110
```