raises version to 1.1.0

* Changes filter to POST and list action
* Beautifies filter input and table
* Changes label

* Adds filter functionality
* Adds membership logos to filter
* Adds membership repository
* Adds some labels
* Finalize templates

* Adds scheduler task to import members

* Adds two partials for search und membership icons
* Removes useless stuff out of list view

Code directly built by extension_builder