Change navbar collapse breakpoint, remove unused code and debug information

[miketierney]

Especially for @zenspider: keep the navbar from collapsing at the tablet-level breakpoint.

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Additionally:

• remove the old bootstrap.css file (the Bootstrap code is compiled in to the seattlerb.css file)
• remove debug info from generated CSS files

[phiggins]

Is there a reason you're checking in the minified/compressed versions of assets? Seems unnecessary...

[miketierney]

@phiggins Yeah it is deliberate, though I agree with you (see #16). Mostly I'm just playing nice with the current way that the repo is setup to handle deployment to Heroku (see https://devcenter.heroku.com/articles/rails-asset-pipeline; this is using the first option).

[zenspider]

I'm so confused.

Why is this so fucking huge?

Why is bootstrap in seattlerb.css?

Where is the diff I care about?

[miketierney]

Closing so I can create a cleaner change.

To answer @zenspider's questions:

1. It's so huge because of the compiled assets in public/assets (see Remove checked-in public/assets #16)

2. Bad decision on my part. This will be fixed.

3. Coming later.