Make info files absolute patch in plist
That makes them more @cwd safe while simplifying the infra


git-svn-id: svn+ssh://svn.freebsd.org/ports/head@370412 35697150-7ecd-e111-bb59-0022644237b5
Use absolute patch for rc scripts in plist
That avoids playing with @cwd


git-svn-id: svn+ssh://svn.freebsd.org/ports/head@370413 35697150-7ecd-e111-bb59-0022644237b5
Use absolute path for PORTDATA PORTDOCS and PORTEXAMPLES
That makes them @cwd safe


git-svn-id: svn+ssh://svn.freebsd.org/ports/head@370414 35697150-7ecd-e111-bb59-0022644237b5
Get rid of _DESKTOPDIR_REL and use DESKTOPDIR everywhere
That avoids playing with @cwd


git-svn-id: svn+ssh://svn.freebsd.org/ports/head@370415 35697150-7ecd-e111-bb59-0022644237b5