freerds-auth: start authentication module library
freerds: modularized authentication
Generate a pkconfig file for external modules
Merge pull request #1 from hardening/pkgconfig

Generate a pkconfig file for external modules
module/x11: remove X11R7.6

to build X11rdp xserver 1.12.99.904 or higher is required therefore
build against X11R7.6 doesn't work anymore.
module/x11: restructured and adapted build

* moved files directly to X11/service from rdp
* required xorg files must now be available in module/X11/service/xorg-server
* added X11/service/xorg-build to help building xorg (see README for details)
Merge pull request #3 from bmiklautz/xorg_build

Xorg build
freerds: detect ubuntu
Added SessionState to Session
added DisconnectUserSession Call. Extends SessionStore
added logoff call.
added logoff call part 2.
add logoff call part 3
icp: fixed typo in DisconnectUserSession
session-manager: don't stop on cmd line input

On Linux/Unix use signals to stop instead of terminal input
rds: don't shutdown on sigpipe
rds/icp: stubs for disconnect and logoff added
fds: send disconnect message to session-manager

Inform session-manager when a client has disconnected from a
session
mod/x11: allow multiple connections to service pipe

Only the first conect to the service pipe was working. Further commits
didn't get accepted.
mod/x11: connect framebuffer on client accept

Check if the framebuffer is already connected if a new client
is accepted on the pipe.