Revert "Update rails-vim to 5.0"

This reverts commit 23e151cbb39eeaca598d03c892245611e9f40388.
Revert "Revert "Update rails-vim to 5.0""

This reverts commit 7717e504831226692029e3f446753da6510d1d6c.
Highlight search string for <Leader>G. <Leader>e edits, to bring back syntax highlighting
Revert "Revert "Revert "Update rails-vim to 5.0"""

This reverts commit 4fdcb0f995f6f562989528d6663123f302044656.
Format (move stuff up from bottom)
Make the >G string the search string
Run current Ruby file
Railscasts colorscheme
Update CtrlP variables
Turn off search highlight when diffing
Add specific filenames instead of relying on variables
>hi, to show highlight for word under cursor
Downdate CtrlP
Update CtrlP
Update CtrlP
Remove snipmate and browserreload-mac
Instructions for re-adding
Go back to sand colorscheme
Update CtrlP
Fix CtrlP's ctrlp_working_path_mode