It seems ActiveRecord ignores .limit() if .find_each() is used to iterate the query (http://stackoverflow.com/a/6680541/1489738). Using .each() instead. Added a test.

closes #5953

closes #5945

closes #5941

closes #5937

closes #5936

merges #5931

Revert "Merge pull request #5852 from margori/3393-activity-stream-keeping-retracted-participations"

This reverts commit 096fa2dd, reversing
changes made to f7d11051.

- move to contacts.js
- use json
- move to aspects_controller
- add route
- rewrite test
- fix css in chrome

Fix the IE version number extractor to work without space between MSIE and the version number, close #5858

GET requests don't get any CSRF protection by Rails,
thus these sensitive actions should be better protected.

Thanks to @tomekr for the report.

Also redirect to it for download, for Amazon S3
compatibility.

Prior to this patch an attacker could obtain an
users export by guessing the filename with a high
chance of success. Fully authenticating the
download request is a lot harder due to our diverse
deployment scenarios.

This brings the used method in line with the photo
export feature.

Thanks to @tomekr for the report.

also use double-quotes in the whole file

Fixes #5834

Also make sure comments_count and the like is always set in the
response.

- added shoulda-matchers gem for one-line specs
- added FactoryGirl syntax methods