Update README and mh comments

DataSource/MySQL/migrationhandler.py

@@ -22,11 +22,11 @@ from DataSource.dummy.migrationhandler import DummyMigrationHandler
 #
 # Supported operations :
 # - EmClass creation
-# - EmClass deletion (untested)
+# - EmClass deletion
 # - EmField creation
-# - EmField deletion (untested)
+# - EmField deletion
 # - rel2type attribute creation
-# - rel2type attribute deletion (unstested)
+# - rel2type attribute deletion
 #
 # Unsupported operations :
 # - EmClass rename

README.md

@@ -16,7 +16,7 @@ Create a database for your instance
   > CREATE DATABASE `lodel2`  CHARACTER SET utf8 COLLATE utf8_general_ci;
   > GRANT ALL ON `lodel2`.* TO "lodel"@"localhost";
 
-Edit seetings.py according to your database, install database and dynamic code
+Edit instance_settings.py according to your database, install database and dynamic code
 	make
 
 Once the instance is created you can run an interactive python interpreter using :