Limit map size
More data in example
Uncheck heavy layers by default
Rename BrowserFeature to browserfeature
Export ol.proj.Projection#isGlobal function
Export ol.proj.Projection#getMetersPerUnit function
Merge pull request #2547 from fredj/proj-api

Export more functions from ol.proj.Projection
Merge pull request #2443 from tonio/tile-vector

More data in tile-vector examples
Merge pull request #2537 from probins/browserfeature

Rename BrowserFeature to browserfeature