move EDMC submodule to a better-named directory.

.gitmodules

@@ -1,3 +1,3 @@
 [submodule "EDMarketConnector"]
-	path = EDMarketConnector
+	path = edmc
 	url = https://github.com/Marginal/EDMarketConnector.git

elite_info.py

@@ -1,6 +1,6 @@
 #!/usr/bin/python
 
-from EDMarketConnector.companion import Session, VerificationRequired
+from edmc.companion import Session, VerificationRequired
 import argparse
 from pprint import pprint
 import os

update_inara.py

@@ -1,6 +1,6 @@
 #!/usr/bin/python
 
-from EDMarketConnector import companion
+from edmc import companion
 import inara
 import utils