#649 - Added configuration options for the default link processor
#649 - PR followup
#652 - Fix for PP error when SlideShare urls contain querystring params

Brought in the SlideShare module which will take care of the querystring stripping
Temporarily pointing to my (@simong) repo in package.json till the fix
gets merged upstream.
Added a TinCanApi module.

This module is capable of submitting Statements to any
Learning Record Store that follows the experience API/TinCanAPI.
Corrected indention in test-tincanapi.js for consistency
Corrected indention for consistency in oae-tincanapi
fix outdated preview image on activity feed
Fixed issue where the id of the activity object was undefined in case of a discussion,...
Suppressed LRS enabled for end user in oae-tincanapi module
Merge pull request #649 from simong/649-link-processing-timeout

Preview processor error on link
Updates after code review (except timeout)
Added timeout in config.js for TinCanAPI
Merge branch 'tincanapi' of https://github.com/Coenego/Hilary into tincanapi
TinCan API follow-up
Update README.md to caution about Cassandra 2.0
#663 - Fix intermittent failure when importing users.
#664 - TincanAPI test failure fixes

* Replaced switch-case with if-elseif
* Fixed up unit tests by forcing collection before the tests
add revision back to the content body modified event
add unit test
Renamed `done` callback function in importUsers