Tile renderers needn't listen for tile change
Use Infinity instead of Number.POSITIVE_INFINITY
Merge pull request #416 from twpayne/numeric-constant-clean-ups

Use Infinity instead of Number.POSITIVE_INFINITY
Clean up side-by-side example
Merge pull request #417 from twpayne/clean-up-side-by-side-example

Clean up side-by-side example
Merge pull request #409 from elemoine/tilequeue

Tile renderers needn't listen for tile change
Add ol.structs.IntegerSet
Refactor ol.structs.IntegerSet to use a packed array
Add initial ol.structs.Buffer
Add ol.structs.IntegerSet.toString
Extend equalArray to consider NaNs to be equal
Replace unused entries with NaNs
Reverse order of arguments to set and s/index/offset/
Allow rectangles to be empty
Add ol.Rectangle.isEmpty
Add ol.Extent.createEmptyExtent
Add ol.Rectangle.extendXY
Add missing variable declaration
Remove unused function
Promote texture and framebuffer management into base class