Solved savig eventfiltertagvalue

used get_or_create, instead of get. This is not optimal, but it works.
Reanamed files in fronted for event tags

To be more consistent with the whole solution
Reanamed files in fronted for event tags

To be more consistent with the whole solution
event tags fronted added links with grouptagvalues

Now you can san select a specific grouptagvalue, by clicking on tag.
Cleanup from development

Just a few development artefacts removed.