Templatize ol.Collection
Remove unneeded type cast
Stricter typing for ol.Collection
Merge pull request #2433 from fredj/collection

Templatize ol.Collection
Document that geom.getArea/Length on projected plane
Merge pull request #2492 from probins/length

Document that geom.getArea/Length on projected plane
Update jquery externs file
Document LinearRing as abstract class
Merge pull request #2493 from elemoine/jquery-externs

Update jquery externs file
Merge pull request #2494 from probins/geom

Document LinearRing as abstract class
Improve docs for style
Merge pull request #2481 from probins/styledoc

Improve docs for style
Correct wrong docs for LinearRing
Properly clear features in ol.source.ServerVector#clear
Restore context opacity after drawing layers

Closes #2455
Merge pull request #2455 from fredj/2455

Opacity of last layer is used in postcompose drawing
Merge pull request #2496 from probins/linear

Correct wrong docs for LinearRing.

Closes #2495.
Merge pull request #2499 from fredj/2294

Properly clear features in ol.source.ServerVector#clear