Move all static files to public folder of Rails app.
Moved remaining files to public dir.
Delete Node server files.
Update submodule to our own repository.
Add first draft of stored procedure editor.

- Add mock for stored procedure list.
- Use mustache of templating.
- Fix prototype bug.
Move Hyrise URL to server-side config.
Shorten debug page code.
Move static index2.html to be the Rails default view.
implement dispatch method for editor page
append simple button to editor and fire event when clicked
Show list of stored procedures beside editor.
Load procedure into editor.
Use server helper as base URL for AJAX calls.

This eliminates the needs for front-end server configuration (which
was also checked into version control).

I also disabled an AJAX call that went directly to the HYRISE server,
that should not work anyway.
Better templating for pages.

- Only used for editor.
Don't dump JSON, this makes everything slow.
Merge branch 'master' into SPeditor

Conflicts:
	visualizer/public/index2.html
Merge branch 'master' into SPeditor
Fix navigation item name.
Add installation instructions to README.
Simplify event handling.