Updated .gitignore to ignore sass-cache
Initial commit of web UI.
Static content added to repo (css, fonts, js)
Moved everything from Iris/iris/static into templates directory so it would be accessible by the templates.
Added a couple missing files into the bootstrap directory.
Fixed references in OCR tutorial.
Created installation instructions in docs/readme.md. So far, includes instructions for configuring Apache. Also included the Apache configuration file for Iris.