fix(timeline): #2522 Right button while dragging item makes items uneditable (#2582)
fix(timeline): #2522 Right button while dragging item makes items uneditable (#2582)

* Fix redraw order
* Fix error when option is not defined
* Allow template labels
* Add .travis.yml file
* Add experiment travis code
* Fix right click button bug when dragging item
marcortw/vis,marcortw/vis,Tooa/vis,Tooa/vis,yotamberk/vis,yotamberk/vis