[vim] adds <leader>l
[git] Makes git delete merge backups when done.
[tig] Makes tig's author column width smaller.
[tig] Adds some useful shortcuts to tig.
[vim] Adds shortcuts for ignoring/unignoring tests.
[vim] Adds shortcut to set wrap mode.
[vim] Adds shortcuts for vimdiff.
[zsh] Adds alias for tig.
[zsh] Adds alias for listing all git branches with time of last commit.
[vim] Adds "bonc" as a first-party namespace for sorting.