Author: toanlam
MDL-72031 atto_recordrtc: separate out max_time for audio/video files
http://git.moodle.org/gw?p=moodle.git;a=commit;h=af67582dbeb0e9b7555d325728d9b398add72a85
http://github.com/moodle/moodle/commit/af67582dbeb0e9b7555d325728d9b398add72a85
+ 4.0 en [audiotimelimit,atto_recordrtc]
+ 4.0 en [audiotimelimit_desc,atto_recordrtc]
+ 4.0 en [videotimelimit,atto_recordrtc]
+ 4.0 en [videotimelimit_desc,atto_recordrtc]
+ 4.0 en [timelimitwarning,atto_recordrtc]