Merging Data Aggregation and Analysis

Issue #55 - Download an excel spreadsheet of the analysis data
	/analytics/csv
Issue #60 - No UI for creating/editing Social Subscriptions
Issue #64 - Refactor use of JPA Predicates to reusable specifications
	pervasive use of reusable specificiations, they are great
Issue #66 - A report on analysis over a specific period of time
	Analytics subtab
	/analytics/wordcount?since=2013-04-20

Issue #45 - Email does not set created time of message.
Issue #49 - Get word counts of all words in Topics
Issue #61- Conversation created date is actual system creation instead of external message creation
Issue #63 - Randomize sentiment scores until real data available
Issue #67 - When counting words, do not load all conversations into memory
	currently loads one day per service chunks
Issue #68 - Add Anthony's Lexicon to Topics
Spinner and analytics plotting error handling
/users/current to get details on the currently logged in user
Merge branch 'master' of https://github.com/ithunt/asksg
 Add pagination support to UI.
Add support for adding tags, removing tags, filtering by tags.

Refactor Identity throughout system, provide IdentityService with query methods.
Restructure angular js to be closer to correct, bind services in service menu dynamically.

Closes #57, #58.
Tweak tag positioning, add code missed in merge.
Removed superfluous Reply button from UI. Issue #73.
Merge branch 'master' into daniel