Add rule for django south inconsistent migrations

README.md

@@ -153,6 +153,7 @@ using the matched rule and runs it. Rules enabled by default are as follows:
 * `cpp11` – add missing `-std=c++11` to `g++` or `clang++`;
 * `dry` – fix repetitions like "git git push";
 * `django_south_ghost` – adds `--delete-ghost-migrations` to failed because ghosts django south migration;
+* `django_south_merge` – adds `--merge` to inconsistent django south migration;
 * `fix_alt_space` – replaces Alt+Space with Space character;
 * `git_add` – fix *"Did you forget to 'git add'?"*;
 * `git_checkout` – creates the branch before checking-out;