Limit layers loaded for interpretations
Replace re.search + re.escape with a faster string search
include html5 shiv in modernizr build
remove yepnope from modernizr build
Remove graphics from interpretations slide down
Remove unneeded imports
Merge pull request #388 from cmc333333/perf-slidedown-interp

Performance Tweak 1: Limit layers loaded for interpretations
Merge pull request #389 from cmc333333/perf-re-search

Performance Tweak 2: Replace re.search + re.escape with a faster string search
Centralize regulation url calculations. Make that cacheable
Move around tests to match
Perform computations on the layer just once
Merge pull request #391 from cmc333333/perf-reverse-cache

Performance Tweak 3: Cache certain reverse url lookups
Added in applying diffs to node titles, also removed overly complex unused title things
Applying diffs to titles
Removed the complex title stuff that we apparently don't use anymore
PEP8
Definition, Internal Citation layers cache rendered results
Merge pull request #393 from khandelwal/titlediffs

Apply diffs to titles.
Merge pull request #394 from cmc333333/perf-cache-render

Performance Tweak 5: Definition, Internal Citation layers cache rendered results
Merge pull request #392 from cmc333333/perf-analysis-recomp

Performance Tweak 4: Pre-computations in Analysis Layer