adding support for launching the client from /opt/extras.ubuntu.com (hint hint)
add 64bit binary for the launcher with the same update to support /opt/extras.ubuntu.com
note: windows and mac binaries should be fine as they wont use that location
improve the check for /opt/extras.ubuntu.com/runescape
add nodisplay entry to desktop file
Merge remote-tracking branch 'origin/development'