fix bin/safe-reattach-to-user-namespace
remove vim-colorschemes plugin
Install hybrid color scheme
[Dockerfile] install tmux from source
[iterm] latest preferences changes
[vimrc] various cleanup and docs
[vimrc] configure ctrlp better
[vimrc] map changeHashSyntax function to a keybinding
[vimrc] don't mess up jumplist or undo history when auto-removing bad whitespace
[vimrc] enable list
Add vim plugin: vim-markdown
Fix some issues with pryrc
Update latest changes in Iterm settings
[tmux] Don't auto-create a new session
Fix a few minor issues in vimrc
Update prezto