Merge pull request #20 from williamsb/master

Bug Fix: only add .bin directory for node environment
Tech Debt: adding configurations already in Linux for zsh prompt npm files
Feature: Added delete_pyc alias to zshrc
Tech Debt: Improved vimrc formatting
Feature: Markdown plugins and associated configurations
Feature: Space triggers nohlsearch
Feature: Arrow keys resize viewports
Feature: Added markdown syntax file for Mac
Tech Debt: vim-sneak plugin, syntastic handlebar
Tech Debt: Gundo leader mappings
Feature: Basic emacs movements in vim insert mode.
Tech Debt: Refactor of zshrc
Tech Debt: Reconfigure plugins from external to internal

Moved ack and markdown links plugins from external sources to internal
sources.

Also turned on matchit plugin for html files
Tech Debt: mapped jedi rename_command to <Leader>rn
Bug Fix: Typo in rerun vector tests function
Fix the Ctrl-S fail on Linux+Tmux+Vim
Merge pull request #24 from imtapps/patch-2

Bug Fix: Fix the Ctrl-S fail on Linux+Tmux+Vim
Feature: Move between tmux and vim with the same keys
Feature: Added executor plugin
Tech Debt: Add Ctrl-l functionality back in with Ctrl-c