Fixed EZP-20334 - Error in runCallback example in GETTING_STARTED file.
Fixed EZP-20334: Error in runCallback example in GETTING_STARTED file. Best practice is to add use statements in the header of the controller/action
Avoid confusing "..." from the previous commit
Merge pull request #29 from crevillo/EZP-20334

Fixed EZP-20334 - Error in runCallback example in GETTING_STARTED file.