Change all /directive links to /regulations, etc
Merge remote-tracking branch 'origin/develop' into feature/fix-directive-import-links

Conflicts:
	src/ggrc/assets/mustache/directives/tree.mustache
	src/ggrc/views/__init__.py
Merge pull request #186 from reciprocity/feature/fix-directive-import-links

Change /directives/* links to /regulations/*, etc