fixed getstatuschangeA rdp-return value in case of failure
drive hotpluging: register mounted drives already before first hotplug
fixed getstatuschangeW rdp-return value in case of failure
encomsp: stub client/server virtual channel
channels/encomsp: initial client-side implementation
Fix conflicting define

WTSVirtualEventHandle and WTSVirtualChannelReady are already defined in wtsapi.h
and with different values.
server/Sample: stub server-side encomsp channel
Find glibconfig.h cmake should use pkgconfig information instead of a hard coded path to /usr/lib.

the OnOpen callback should be called when set to avoid a segfault.
client/common: start parsing of .msrcIncident Remote Assistance file
client/common: parse RCTICKET Connection String 1
channels/remdesk: stub virtual channel
client/common: parse and use remote assistance file
channels/remdesk: start parsing messages
client/common: add .msrcIncident type 1 file test
client/common: improve remote assistance blob encryption
client/common: fix Remote Assistance memory leaks
client/common: start parsing Remote Assistance Connection String 2
client/common: fix remote assistance expert blob
libfreerdp-common: move assistance code
channels/remdesk: start sending authentication data