fixes open-classifieds/openclassifieds2#797 oc-panel stats not loading
remember sidebar collapse with cookie, change collapse icon direction. open-classifieds/openclassifieds2#735
Menu Icon Picker open-classifieds/openclassifieds2#828
Merge remote-tracking branch 'upstream/master'
sidebar collapse improvement open-classifieds/openclassifieds2#735
Merge pull request #248 from oliverds/master

Menu Icon Picker, Admin restyling, oc-panel stats not loading