sets no history flag on intent
Merge pull request #247 from mapzen/baldur/not_store_login_in_history

sets no history flag on intent
Prevents pre-flipped instructions

A single location update exactly equal to the turn radius was advancing and flipping simultaneously.

* Do not advance when distance is equal to turn radius
* Do not flip when distance is equal to turn radius
Fixes testing collateral damage

Updates tests that depend on given instruction being seen and flipped.
Merge pull request #248 from mapzen/chuck/pre-flipped-instructions

Prevents pre-flipped instructions
fixes routing pages
adds tag base constant for adapter views
༼ ༎ຶ ෴  ༎ຶ ༽
various fixes
resolves broken tests after rebase