move parts to new common component to avoid circular dependency of zonecommon and objcommon

src/Common.lua

@@ -0,0 +1,41 @@
+Common = {}
+
+function Common:include(includes)
+	if includes:handle(self:name()) then
+		Utils:include(includes)
+		includedirs {
+			path.join(ProjectFolder(), "Common")
+		}
+	end
+end
+
+function Common:link(links)
+	links:add(self:name())
+	links:linkto(Utils)
+end
+
+function Common:use()
+	
+end
+
+function Common:name()
+	return "Common"
+end
+
+function Common:project()
+	local folder = ProjectFolder()
+	local includes = Includes:create()
+
+	project(self:name())
+        targetdir(TargetDirectoryLib)
+		location "%{wks.location}/src/%{prj.name}"
+		kind "StaticLib"
+		language "C++"
+		
+		files {
+			path.join(folder, "Common/**.h"), 
+			path.join(folder, "Common/**.cpp") 
+		}
+		
+        self:include(includes)
+end