Squashed 'bundle/nerdtree/' changes from 1817ccd..29d3db8

29d3db8 fix a couple of function calls that should have been renamed
2eff928 some cosmetic updates to the class files
a7d5b3d fix the <enter> mapping
cc0777b move KeyMap_Invoke into the autoload file
8a98426 manually apply #220 to fix NERDTreeFind for hidden dirs
370f180 replace a script level var with a query
fb4a5a1 decompose the giant NERD_tree.vim file

git-subtree-dir: bundle/nerdtree
git-subtree-split: 29d3db8ffe795e1b2d29c3333fe52f71acd4c9be
Merge commit '32b6d2fdbc009215110ff2e5be9f918b752d46b7'
Squashed 'bundle/vim-rails/' changes from 3e54fc9..10b56a1

10b56a1 Allow defining per-app navigation commands
c279375 Don't source app config if modelines are disabled
f1d10b5 Source app specific config earlier

git-subtree-dir: bundle/vim-rails
git-subtree-split: 10b56a1f1e8bd7fd5a0f2de120e2a6d06ebbd6cc
Merge commit '192b94990169b85e6e7b7a44e2e1f075ef3172b7'