Revert "Convert readme from rdoc to markdown"

This reverts commit 3a78396647594eabfd8937e368f00862c012c1be.

Conflicts:
	README.rdoc
Add direction to the connection resource
Fix some issues from rubocop and rails best practices
Add validations for connection directions
Rename fields in connection to follow rails conventions
Fix display of neighbors
Edit the neighbor listing
Add all controller methods, routes, views, and tests for connections
Add connections to the navbar
Add icons to navbar links
Validate presence for objects in associations
Fix navbar issues involving responsive display, accessibility, and styling
Fill in the readme
Add an "Inspired by" section to the readme
Switch to standard Travis from Travis Pro
Add Gemnasium and Code Climate badges to the readme
Update dependencies with "bundle update"
Merge branch 'master' of https://github.com/thenickperson/euphoria
Use proper rdoc links in the readme
Use rdoc <code> tags in the readme