This reverts commit c3a58b00.

I've changed it to use `view` instead of `vim -R` to make it hopefully
more editor-agnostic.

Fix by derekjw. closes #52.

Closes #45 #57 #58 #86.

In detail:
gup - now completes with remotes like git fetch would
gdv - got git diff completions
gc/gca - now zsh will suggest files in staging area
gba - suggestions as for git branch

Merge branch 'disable_auto-title' of https://github.com/lorrin/oh-my-zsh into lorrin-disable_auto-title

github uses a wildcard certificate which is not accepted by wget

Was causing iTerm title to disappear entirely..

This reverts commit d4ea399b.

Merge branch 'ssh-agent-append-host-to-environment' of https://github.com/trcjr/oh-my-zsh into trcjr-ssh-agent-append-host-to-environment

Merge branch 'osx-terminal-title' of https://github.com/curiousstranger/oh-my-zsh into curiousstranger-osx-terminal-title

Merge branch 'feature/alias-completion' of https://github.com/shadowhand/oh-my-zsh into shadowhand-feature/alias-completion