Author: Huong Nguyen
MDL-81212 tiny_recordrtc: Screen-recorder improvements and cleanups
http://git.moodle.org/gw?p=moodle.git;a=commit;h=aa09138d75512fa5e0cd399427387480570f227b
http://github.com/moodle/moodle/commit/aa09138d75512fa5e0cd399427387480570f227b
+ 4.5 en [screenresolution_hd,tiny_recordrtc]
+ 4.5 en [screenresolution_fhd,tiny_recordrtc]