Merge pull request #396 from FreeRDP/issue366

Issue #366. Tested with XDMCP plugin.
Bumped version to 1.1.2
Added myself to the contributors
Merge branch 'v1.1.2'
Merge tag 'v1.1.2'
GTK3 upgrade - GTK_STOCK deprecated and gtk_image_set_from_stock #365
GTK_STOCK is deprecated in GTK+3, keep everyone happy.
Replaced deprecated g_{mutex,cond}_{new,free} with static members in struct and g_{mutex,cond}_init
GTK3 migration - GTK_STOCK deprecated
GTK3 migration - ftp_client gstock
Merge pull request #405 from repzilon/master

Update Remmina GTK+2 branch to 1.1.2