Let manual be installed in docsdir
jam will also create ehelp from ehelp.in setting correct location
Fixed a typo with RMDIR_UNSAFE so Cleandir can work now
Added CopyDir rule
Added missing linking libraries for capone
Added InstallEdeMimeFiles rule, which should install a new XDG
mime types and update mime database.
Added fluid mime until fd.o merge it into official mime distribution.