[V3 Everything] Package bot and write setup scripts (#964)

Ya'll are gonna hate me.

* Initial modifications

* Add initial setup.py

* working setup py help

* Modify setup file to package stuff

* Move a bunch of shit and fix imports

* Fix or skip tests

* Must add init files for find_packages to work

* Move main to scripts folder and rename

* Add shebangs

* Copy over translation files

* WORKING PIP INSTALL

* add dependency information

* Hardcoded version for now, will need to figure out a better way to do this

* OKAY ITS FINALLY FUCKING WORKING

* Add this guy

* Fix stuff

* Change readme to rst

* Remove double sentry opt in

* Oopsie

* Fix this thing

* Aaaand fix test

* Aaaand fix test

* Fix core cog importing and default cog install path

* Adjust readme

* change instance name from optional to required

* Ayyy let's do more dependency injection

tests/cogs/test_alias.py

@@ -1,12 +1,13 @@
-from cogs.alias import Alias
 import pytest
 
+from redbot.cogs.alias import Alias
+
 
 @pytest.fixture()
 def alias(config):
-    import cogs.alias.alias
+    import redbot.cogs.alias.alias
 
-    cogs.alias.alias.Config.get_conf = lambda *args, **kwargs: config
+    redbot.cogs.alias.alias.Config.get_conf = lambda *args, **kwargs: config
 
     return Alias(None)