Added module Elm_video
Added elm_player_add.
Added elm_video_add.
Added elm_video_file_set.
Added elm_video_play/pause/stop.
Added elm_video_is_playing/seekable/audio_mute_get/set.
Added elm_video_audio_level/play_position/length_get/set.
Added elm_video_remember_position_set/get.
Added elm_video_title_get.
Added signals for Elm_video.