use icon font for sticky messaged
fix multiselect filter broken in IE 11
removes assetPath from helper

Will not work anyway because of the missing digest.
probably fix slow user filters in working packages (by disabling animation)
Merge pull request #1935 from 0xF013/feature/15101-multi-select-filter-broken-in-IE-11

fix multiselect filter broken in IE 11
hope to fix flickering spec
Merge pull request #1934 from opf/fix/sticky_icon

use icon font for sticky messages
Merge pull request #1932 from 0xF013/feature/15663-loading-filters-linked-in-mypage-are-very-slow

probably fix slow user filters in working packages