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)