all: port everything to libnm

Since the API has not changed at this point, this is mostly just a
matter of updating Makefiles, and changing references to the library
name in comments.

NetworkManager cannot link to libnm due to the duplicated type/symbol
names. So it links to libnm-core.la directly, which means that
NetworkManager gets a separate copy of that code from libnm.so.
Everything else links to libnm.

examples/python/gi/get_ips.py

@@ -21,7 +21,7 @@
 #
 
 import sys, socket, struct
-from gi.repository import GLib, NetworkManager, NMClient
+from gi.repository import GLib, NM
 
 #
 #  This example shows how to get addresses, routes and DNS information
@@ -124,7 +124,7 @@ if __name__ == "__main__":
         sys.exit('Usage: %s <interface>' % sys.argv[0])
     dev_iface = sys.argv[1]
 
-    c = NMClient.Client.new()
+    c = NM.Client.new()
     dev = c.get_device_by_iface(dev_iface)
     if dev is None:
         sys.exit('Device \'%s\' not found' % dev_iface)