Replaced 'raw' with 'sanitize' for security
Replaced 'raw' with 'sanitize' for security

- app/views/articles/_main_content.html.erb - Used sanitize method to
  instead of raw in order to be more secure.

Updates #701

BOWiki/BOW,BOWiki/BOW,EBWiki/EBWiki,BOWiki/BOW,EBWiki/EBWiki,EBWiki/EBWiki,EBWiki/EBWiki