[jennyd] Personal manifest updates

- upgrade to Sublime 3 and manage sublime packages
- install openconnect
- include infrastructure and transition teams
- override more osx settings
- install node (for side-by-side-browser)
- set gitconfig user.email, since include.path isn't working in dotfiles
[jennyd] Manage Vagrantfile.localconfig for 2GB RAM
[jennyd] More git config