Log Message:
Apply some fixes and improvements from misc/openoffice3.
  - Change installation directory.
  - Reduce usage of ${WRKDIR}.
  - Use language packs to install multiple languages.
  - Install desktop files as symbolic links.
  - Pass MAKE_JOBS to dmake.
  - Fix build with PKG_DEVELOPER=yes (add missing rpath flag).
  - Fix PLIST without gtk2 option.
  - Fix browser plugin.
  - Fix open-url with firefox3 and seamonkey.
  - Shut up tar warning (remove leading /).
  - Use system openssl.
  - Use system icu.
  - Add lang-all option.