Apidoc readme: minor change

so comments rendered correctly
Merge pull request #2110 from probins/patch-1

Apidoc readme: minor change.
Hit detection respects min and maxResolution
Merge pull request #2109 from elemoine/visibleandinrange

Hit detection respects min and maxResolution
Tasks readme: update url for new compiler FAQ

As changed on closure-util https://github.com/openlayers/closure-util/pull/17 - just realised this link is here too.
Merge pull request #2111 from probins/patch-1

Tasks readme: update url for new compiler FAQ
Export ol.View2D.prototype.constrainCenter function
Add an extent constraint to the device-orientation example
Add constrainCenter documentation
Merge pull request #2019 from fredj/device-orientation-example

Add an extent constraint to the device-orientation example
Give Somaliland and Northern Cyprus unique ids
Do not make ol.style.Image exportable

Application developers should use its subclasses.
Merge pull request #2115 from tschaub/duplicate-id

Give features unique identifiers.
Merge pull request #2116 from ahocevar/no-imagestyle

Do not make ol.style.Image exportable
Load the icon when needed in ol.FeatureOverlay
Move workshop reference to doc index
Merge pull request #2120 from bartvde/workshop

Move workshop reference to doc index
Merge pull request #2028 from oterral/immediate_icon

Load the icon when needed in feature overlay
Export ol.format.OSMXML#readFeatures
Export ol.format.OSMXML#readProjection