Pass HTTP_IF_MATCH header along to find
Quick fix for transformer match weight

Closes #622
Hack each_logical_path back in
Rescue stat errors in fs cache gc
Merge branch 'master' into if-match
Lock dev deps versions
Remove json from dev deps
Remove comment
Merge pull request #630 from sstephenson/gemspec-updates

Lock gemspec development dependencies
Merge branch 'master' into if-match
Fix up if/none-match differences
Merge pull request #613 from sstephenson/if-match

Improve If-Match support
Merge branch 'master' into bundle-map-reducers

Conflicts:
	test/sprockets_test.rb