Revert "mediaelementjs player now working! Also corrects a typo in video player class method name (getVideoHeight instead of getVideoHeigth….!)."

This reverts commit 32192ebf90ec5c9c2afd630d4074a9ec6fc0595f.
Revert "Revert "mediaelementjs player now working! Also corrects a typo in video player class method name (getVideoHeight instead of getVideoHeigth….!).""

This reverts commit 31c515aeb5a155e7f75a14e8c27da0ddb8048c8e.
Removes extra jquery.js in mediaelementjs player folder