Additional clarifications for tasks/readme
Automatically dispose the ViewportSizeMonitor
Dispose the tiles removed from the cache
Limit map size
More data in example
Uncheck heavy layers by default
Fix WKT writers output type
Fix typo in ol.Map test.
Merge pull request #2452 from marcjansen/test-typo

Fix typo in ol.Map test.
Remove reference to simple/whitespace in examples/readme
Merge pull request #2457 from probins/patch-1

Remove reference to simple/whitespace in examples/readme
Merge pull request #2423 from fredj/dispose

Dispose the tiles removed from the cache
Merge pull request #2448 from gingerik/wkt-docs

Fix WKT writers output type.
Remove function bodies from externs
Add ol.source.Cluster

Initial code by @kenny806
Update link to closure-library issue
Merge pull request #2464 from fredj/closure-library-issue-link

Update link to closure-library issue
Merge pull request #2463 from gingerik/externs-function-bodies

Remove function bodies from externs
Merge pull request #2458 from openlayers/cluster

Add clustering functionality
Remove unused ol.CoordinateArray typedef