added missing description
verbose comment
fixed issue #707: Missing exception on mounting foxx app without collection
do not print undefined
ignore generated files
Merge branch 'devel' of github.com:triAGENS/ArangoDB into devel

Conflicts:
	js/server/modules/org/arangodb/foxx/manager.js
moved style to non-less style.css
Merge branch 'devel' of github.com:triAGENS/ArangoDB into devel