WIP added escape function to utils
Escaped points where content is created or saved
Eliminated utility function and reduced scope of escapes
Include offset parameter when querying for user's conversations
Merge branch 'master' into the-great-escape

Conflicts:
	routes/conversation.js
	routes/post.js
	utils.js
Merge branch 'master' into the-great-escape

Conflicts:
	public/js/Application.js
Merge pull request #17 from psybuzz/the-great-escape

Escape HTML entities