vim: remove SuperTab.vim
vim: enable lazy loading html5.vim

* add a g:syntax_filetype_groups variable
vim: enable lazy loading vim-css3-syntax, vim-css-color, scss-syntax.vim and sass-compile.vim.
vim: enable lazy loading PDV--phpDocumentor-for-Vim, vim-unite-cake, phpcomplete.vim and vim-php-namespace.
vim: add dependencies to unite plugins
vim: enable lazy loading Zencoding.vim
vim: move core plugins above the vim plugin list