Ansible 2.3.

port forward). Adjusted the SSH config accordingly.

- Added urlencode/ urldecode shell aliases (rely on Perl and the URI
module, added to the ansible-desktop-playbooks).
- Added a shell function for searching with DuckDuckGo with Lynx.

- Add more Ansible configuration options via environment varible because ~/.ansible.cfg is not read if there's an ansible.cfg present in the current directory.

- Added Documents/bin directory for scripts, moved renew-certs,
train-wifi and dma-clean (wasn't commited before) there.
- Made gen-ssh-config a script (in Documents/bin) instead of a shell
alias. Call said script in the post-merge git hook (instead of sourcing
bashrc which currently just exits if not running interactively which I
like to keep doing). Added said scripts to pre-commit.

git hook).
- Fix issue with failure to source bashrc in the post-merge git hook
(file not found issue).

- Replace dashes with underscores in shell function names, sh doesn't support dashes in function names (not happy about the inconsistency, but it'll do for now).

simpler shell alias to just update the requirements files without any
Git.

- Check for repo before running update-requirements.