fix(timeline): Fix #2590 Min zoom bug (#2646)

* Fix redraw order
* Fix error when option is not defined
* Allow template labels
* Add .travis.yml file
* Add experiment travis code
* Fix react example
* Fix zoom below 1ms bug

lib/timeline/Range.js

@@ -342,7 +342,9 @@ Range.prototype._applyRange = function(start, end) {
       zoomMin = 0;
     }
     if ((newEnd - newStart) < zoomMin) {
-      if ((this.end - this.start) === zoomMin && newStart > this.start && newEnd < this.end) {
+      // compensate for a scale of 0.5 ms
+      var compensation = 0.5;
+      if ((this.end - this.start) === zoomMin && newStart >= this.start - compensation && newEnd <= this.end) {
         // ignore this action, we are already zoomed to the minimum
         newStart = this.start;
         newEnd = this.end;