Documentation

#106822 elaborated in the readme, added information to the help

New options
#111572 added custom stylesheet option
#91114 added checkboxes to enable advanced and quick upload functions

Small bugs
#102141 msie 5.5 should be detected now

Enabling and disabling the editor
#86444 wildcards for enabling by path work now
#111728 added inclusion option for textarea id's
#101996 added path option for fckeditor