Add Kopano Meet and depending instrastructure to meet

Makefile adjustments
reorder Makefile
adds image for kwmserver
adds image for meet
add Meet to compose
clean up proxy configuration
move kcconf.py into the base image

meet/defaultconfigs/meet.py

@@ -0,0 +1,14 @@
+import os
+import kcconf
+
+# Component specific configurations
+kcconf.configkopano({
+    r"/etc/kopano/kweb.cfg":
+    {
+        'tls': "no"
+
+    }
+})
+
+# Override configs from environment variables
+kcconf.configkopano(kcconf.parseenvironmentvariables(r"/etc/kopano/"))