Listview: added "table" view type; performance optimization
Merge pull request #395 from kyuri/upstream

Listview: added "table" view type; performance optimization
Fixed issue #397
Merge branch 'master' of https://github.com/vitmalina/w2ui
Fixed issue with wrong show/hide label
Fixed other sidebar bugs related to show/hide
Fixed #401
Merge remote-tracking branch 'upstream/master'