Merge branch 'master' into feat-ie-compat
Export ol.Map#getPixelFromCoordinate
Correctry handle color cache size
Merge pull request #1570 from fredj/exports

Export ol.Map#getPixelFromCoordinate
Minor draw-features cleanup
Merge pull request #1575 from fredj/cleanup

Minor draw-features example cleanup
Merge pull request #1571 from elemoine/color

Correctry handle color cache size
Merge branch 'master' into feat-ie-compat
Merge branch 'feat-ie-compat' into feat-ie-compat-reint
Fix IIFE invoking Canvas APIs that don't exist in early IE

Changed ol.interaction.Draw.defaultStyleFunction to be a getter, so
that it only calls Canvas APIs when needed, rather than on script load