pidgin/nest

Change links pointing to trac to youtrack and other stuff on pidgin.im

Fix a bunch of urls to point to youtrack and other pages on pidgin.im

Testing Done:
None.

Reviewed at https://reviews.imfreedom.org/r/112/
syntax: glob
.DS_Store
resources/
public/
node_modules/
docker-compose.override.yml
differencify_reports
tools/diff-config.json
*.swp