Changeset 8587 for trunk/sources/HeuristicLab.ExtLibs/HeuristicLab.WinFormsUI/2.3.1/WinFormsUI-2.3.1/Docking/Resources

#1937

• fixed wrong assembly references in project files
• fixed cases of file names
• removed an InvokeRequired check that Mono couldn't handle
• changed visibility of inherited setters so that the Mono compiler doesn't crash
• specified the namespace of the Random class so that Mono doesn't confuses it with our Random class