Fix for faafo install
Fix for faafo install

The line installing the mysql library made it fail on
ubuntu 14.04. The pymysql library works just fine and
is already in requirements, so update the requirements
to remove the dodgy line

Change-Id: I83626ada5f2e26a6eac12676a6e3aa07d4e4b81f

MartinPaulo/faafo,stackforge/faafo,MartinPaulo/son_of_faafo,MartinPaulo/faafo,enolfc/faafo,hcarlsso/CloudVideo,MartinPaulo/son_of_faafo,stackforge/faafo,MartinPaulo/son_of_faafo,stackforge/faafo,hcarlsso/CloudVideo,enolfc/faafo,enolfc/faafo,hcarlsso/CloudVideo,MartinPaulo/faafo