refs #6469 with jquery-ui 1.11.1 the UI test run about 80% slower and runs out of time very soon. So going back to 1.10.4

refs #6469 looks like we cannot use the jquery-ui.css provided in the bower component as we are using a custom theme? this would explain why we were using jquery-ui 1.10.4 and but the css from 1.10.1. Not sure if it is a good idea to use 1.10.1 CSS with version 1.11.2. We will see...

Fixes #6313 - When a user starts to get a User ID set, then we set this User ID to the existing visit rather than create a new visit for this user id specifically

Add angularjs code to open and close dialogs. Includes logic to update and listen to popover query parameter as broadcast currently does. Uses ngDialog angularjs module.

refs #4996 more bugfixes, more work on cross browser, added possibility to track content via php tracker (not tested yet)

- new user_id field to contain the raw user id value
- new &uid= tracker api parameter
- add userId to Live API output
- added integration test

refs #5409 #341 #5349 if a config value contains a dollar sign convert it to an html entity to prevent it being interpreted as a PHP variable. This allows us to remove the RAW ini parser flag which causes trouble on some PHP versions as the parser seems to be buggy.

Move tracker proxy logic in js/index.php to js/tracker.php & allow the removal of the comment header in piwik.js (includes test). Also remove @group from static file serve test & fix bug in modified _readfile() proxy.

This should fix the build

Piwik is a free/libre analytics platform. Refs #4455 GNU Package requirement to use free/libre instead of open source

Let's see if some test will fail as a result.

-> please use this method to make sure your custom variables are reset

 Thanks for the report!

to avoid leaking values from one visitor request to the next (who could be completely different visitor)

Fixes  #5123 PHP Tracker, added new method setForceNewVisit() to force creation of a new visit + with test

Close https://github.com/piwik/piwik/pull/218