openlayers/openlayers — pull request #1351 by htulipe (2014-07-03 14:57:29+00:00)
Title: Support Proj4js 2.x

In versions 2.x, Proj4js is exported as a function and no longer as an object. IMHO, this is the only thing that need to be done to support Proj4js 2.x and it does not break backward compatibility.