Added panel users filter text input
code cleaning
basic PoC of user list live search
moved hide/show view logic to BaseView
fixed erroneous triggering of match event
reverted usermodel test layout for shorter diff
added tests for when searched term is empty
styles, html semantics
added UserSet#triggerSearch, tests
added functional tests for user live filtering
Adjust width of sidebar users form
Merge pull request #412 from n1k0/panel-userlist-filtering

Panel userlist live search