documentation changes
correct documentation single line code in markdown
add Markdown syntax to documentation
add NERDTree submodule, documentation, and settings
add syntastic plugin for error detection
reformat README lines
add phpcomplete.vim and wordpress.vim
removed wordpress syntax file (now replaced with wordpress.vim overall plugin)
update pathogen to 2.3
add pathogen to README
remove vim-indent-guides
added lots of new submodules
move NERDTree auto open code to gvimrc

we only want NERDTree to open by default when using
a graphical interface (not command line)
add pdv (PHP doc block plugin) and dependency vmustache
change mappings and set template for pdv

change nerdtree mapping to <leader>nt
add PDV mapping <leader>d (for document)
update Docs (add PDV and updated NERDTree mapping)