Fix #362
Add a official license file
Add the language tag for the new field.
Add a new field for the filte rsetting. Improve the only possible tags. Now it is possible that a filter will always show all remaining values excluding the filter setting itself.
Add the new function for removing a filter from the filter list to get all matching id.
Change php documentation. Add a default value for the $arrIgnoredFilter parameter of the function addRules.
Merge branch 'origin/dev'