Added my zsh config

Added my zshrc config after cleaning it up a bit, and adding some more
useful comments.
Speed the Ctrl-P plugin up when browsing git projs

Speeds up Ctrl-P by preventing it form indexing git's folders, should do
the same with node_modules
Vim returns to last edited line when reopening

Vim now returns to the last modified line when reopening a file.
Changed vim colorscheme to 'hybrid' by w0ng

Now using the 'hybrid' colorscheme by w0ng because it is beautiful, in
every single way. And words won't keep it down.

https://github.com/w0ng/vim-hybrid
iTerm now using same colorscheme as vim.

iTerm is now using the same colorscheme as vim, there seems to be a
problem allowing vim to use iTerm2's colorset though (iTerm2 can show
more colors than vim can, but for some reason enabling this makes
gitgutter look like a pile of dog poop).
Added support for code folding

Added code folding support, also correct a silly typo