AssetURI doesn't use errors
Move more fields to metadata
Mark write_to as deprecated
Merge branch 'master' into 4.x

Conflicts:
	lib/sprockets/asset.rb
Inline process()
Merge branch 'master' into 4.x

Conflicts:
	lib/sprockets/loader.rb
Extract sorted tree traversal
First pass at locate
Resolve raw coffeescript file
Merge branch 'master' into 4.x

Conflicts:
	test/test_resolve.rb
Remove commented out test
Merge branch 'master' into 4.x

Conflicts:
	test/test_resolve.rb
Inline resolve_all_under_load_path
Revert "Inline resolve_all_under_load_path"

This reverts commit 81a636e933ec9f2503ec59aab130d2fff89fcb4a.
Use resolve_all_under_load_path
Merge branch 'master' into 4.x
mtime tracking is deprecated
Merge branch 'master' into 4.x

Conflicts:
	lib/sprockets/loader.rb
digest_class getter is still okay
Test find mime_type matches with parsed q values