in the config generator

Fixed mix version computed for underscore-containing branches

See merge request pleroma/pleroma!1314

Ecto tasks: Resolve relative path using the application directory instead of cwd and load the application before doing anything

See merge request pleroma/pleroma!1322

notifications: fix notification generation for non-create activities

See merge request pleroma/pleroma!1323

in 300d94c6, an Object.normalize() call was introduced.  calling Object.normalize()
on an activity with a non-object URI (say, a user) causes Really Bad Things to happen.
so don't do that.

Do not exit on fail in the one-liner because it closes ssh connection and fix dependencies for alpine

instead of cwd and load the application before doing anything

In OTP releases cwd != app directory and the configuration is read
only if the application is loaded

mix: update bbcode dependency to v0.1.1

See merge request pleroma/pleroma!1321

Fallback to Config if Mix.Config does not exist, even if Config does not exist either

See merge request pleroma/pleroma!1320

exist either

For some weird reason Code.ensure_loaded?(Config) is false on OTP
releases even though `use Config` from config files works just fine.

Execute migration commands as the pleroma user and add a note about the need to uncomment the RUM command