ti-coll.js uses webapp endoint (proxy for api) to GET profile items.

This way a IE doesn't have to worry about cross-domain issues.
ti-coll.js uses proxy webapp endpoint to refresh collection metrics.
Importers except for bibtex (GET ones) work with webapp proxy endpoint.
Bibtex proxy endpoint works.
Merge branch 'master' of github.com:total-impact/total-impact-webapp

Conflicts:
	totalimpactwebapp/static/js/ti-aliaslist.js
	totalimpactwebapp/static/js/ti-coll.js