non-work config

[travi]

• [ ] link extra dotfiles at ~/.dotfiles.extra
• [x] update init to install these

Caskfile:

• [x] Daisy Disk
• [ ] Transmission
• [ ] Handbrake
• [x] Google Drive
• [x] Google Auto Backup
• [ ] Google Remote Desktop?
• [ ] Google Music Manager?
• [x] Picasa
• [x] Evernote
• [ ] Harmony Remote
• [x] PhpStorm
• [ ] Skype

Dotfiles:

• [x] .gitconfig.extra
• [x] .hgrc.extra

Misc:

• [x] ~/.ssh/config
• [x] Set HOMEBREW_GITHUB_API_TOKEN in order to prevent brew search from exceeding the GitHub api limit