refs #57 make sure always a change of at least 2 visits is required. Added icon license information, will move the information later

http://stackoverflow.com/questions/391390/phpunit-warning-on-an-utilitary-class

In the Segment Editor, use .text instead of .html for segment names so they are properly entitied & encode the selected segment property when using it.

refs #57 removed min impact control as it might be not clear what it is anyway and user can change the limit filter if he wants to see only entries with very high impact

Adding piwik:actionsSubDataTableLoaded and piwik:actionsSubTableToggled JavaScript events to ActionsDataTable for ComparisonDashboard.

- Added piwik:dataTableLoaded event to DataTable & ActionsDataTable.
- Remove server-side limiting of Dashboard menu links.
- Remove use of addEventListener/removeEventListener for IE8 compatibility.
- Allow viewDataTable types that are auto-maximised when widgetized to overridden.
- Fix bug in segment editor update segment (search for segment by idSegment).

Fixing regression dashboard widget refactor, make sure to include widget template HTML in Widgets top bar link.

Refs #4739, modify SyncUITestScreenshots command to work with new screenshot testing code and display location hint in diffviewer output if expected file is stored within plugin and not the UI tests repo.

refs #57 make sure text ellipsis works and label is always only one line. moved test fixture to insights plugin as demonstration for other plugin developers as it is very insights related anyway

refs #57 do not flatten for now, brings massive performance improvement 10min > 1 sec as Referrers_getKeywords takes forever and also leads in memory exhausted when report is flattened