reconnect: Rename CONNECT_IN_PROGRESS state to CONNECTING (like rconn).

reconnect uses the same connection state names as rconn with the exception of
the above. This commit makes their states identical, which should reduce
confusion for people debugging connection problems.

python/ovs/reconnect.py

@@ -72,7 +72,7 @@ class Reconnect(object):
             return CONNECT
 
     class ConnectInProgress(object):
-        name = "CONNECT_IN_PROGRESS"
+        name = "CONNECTING"
         is_connected = False
 
         @staticmethod