Improve some keymaps, instead of overriding standard keys.

Added many convenience mappings for LustyJuggler such as
,lm for rails models, ,lc for controllers, etc

vim/plugin/settings/unimpaired.vim

@@ -0,0 +1,10 @@
+" https://github.com/carlhuda/janus/blob/master/vimrc
+
+" Unimpaired configuration
+" Bubble single lines
+nmap <C-Up> [e
+nmap <C-Down> ]e
+
+" Bubble multiple lines
+vmap <C-Up> [egv
+vmap <C-Down> ]egv