Stuck at "installing dependencies"

This pull request fixes the bug where `script/bootstrap` exits prematurely before installing dependencies.

```
[ ? ]  - What is your github author name? ChristianBundy
[ ? ]  - What is your github author email? me@christianbundy.com
[ OK ] gitconfig
[ OK ] linked /Users/christianbundy/.dotfiles/git/gitconfig.symlink to /Users/christianbundy/.gitconfig
[ OK ] linked /Users/christianbundy/.dotfiles/git/gitignore.symlink to /Users/christianbundy/.gitignore
[ OK ] linked /Users/christianbundy/.dotfiles/ruby/gemrc.symlink to /Users/christianbundy/.gemrc
[ OK ] linked /Users/christianbundy/.dotfiles/ruby/irbrc.symlink to /Users/christianbundy/.irbrc
[ OK ] linked /Users/christianbundy/.dotfiles/vim/vimrc.symlink to /Users/christianbundy/.vimrc
[ OK ] linked /Users/christianbundy/.dotfiles/zsh/zshrc.symlink to /Users/christianbundy/.zshrc
[ .. ] installing dependenciesMalus:.dotfiles 
```