Replaced deprecated methods in ofAVFoundationPlayer.
Won't compile on deprecated base method on Xcode 6.
Fix internal call to deprecated method name.
Merge pull request #3337 from bakercp/bugfix-load-deprecation

Won't compile on deprecated base method on Xcode 6.
Merge pull request #3329 from prisonerjohn/hotfix-avplayerupdate

Replaced deprecated methods in ofAVFoundationPlayer.
Fix for #3340
Merge pull request #3341 from bakercp/bugfix-ofDirectShowPlayer-Regression

Fix for #3340