Fixing anonymous access to courses + hiding "Joe Anonymous" see #7111
Adding $use_anonymous in lp_controller and lp_view see #7111
Fixing wrong variable name.
Fixing datepicker file conflict see #7149
Update translations
Fixing datepicker language settings see #7149
Minor format code.
Merge remote-tracking branch 'chamilo/1.9.x' into 1.9.x