"click to get details" tooltip when hover over titles on profile page.

also adds unlock icon if free fulltext available.
Merge branch 'master' of github.com:total-impact/total-impact-webapp
remove twitter and blog products.

removed from import panes; removed "linked account" settings subpage,
and filtering "blog" and "twitter" genred products from /products calls.
remove twitter and blog products.

removed from import panes; removed "linked account" settings subpage,
and filtering "blog" and "twitter" genred products from /products calls.