Refactor common.less and move CSS into files based on their context
Fix linker within the toolbar's 'Transfer' action
Refactor before_filter :unauthorised_access to build list of filtered actions and their required permission
Add access control to the import controller actions
#540 disable the cancel button and file input when import has started
Slightly tweak self.set_access_control to only iterate through mappings once
Merge pull request #557 from hudmol/frontend-refactor

Quick frontend refactor