ssh: update config for lithium
msmtp: update fingerprint
offlineimap: update cert fingerprint
zsh: removed some obsolete aliases
vim: indent source code with hard tabs
added cower configuration
zsh: rewrite prompt
zsh: increase compatibility with OpenBSD
zsh: typo
i3status: update to version 2.8
define mail account in muttrc
zsh: use more double quotes
Update submodules