Initial zshrc commit.
Removed problematic Markdown wrapping.  No longer necessary since using
vimroom for prose.
Added and property configured airline in vimrc.
Added goyo (for writing prose) and removed tagbar.
Added resizing of the focused window.
Started using netrw rather than NERDTree.
Added tm2 code directory to CDPATH.
Moved vimrc and zshrc to home directory in preparation for using rcm.
Added .ackrc.
Added gitglobal_ignore
Added .vim.