pathogen.vim 2.4
* Use $VIMBLACKLIST to temporarily disable bundles.
* Allow disabling rest of vimrc by adding it to blacklist.
* Expand bundle/{a,b} as bundle/a and bundle/b.
* Experimental: Support "vimfiles" subdirectory.
* Work around weird lockup on ancient Vim.
* Restore disabling of paths ending in ~.