Issue #118: Solved conflict with the JQuery provided by Primefaces and the one used by Bootstrap.
Fixed #124: Improvements on the visualization of articles.
Merge branch 'master' of github.com:htmfilho/yougi

Conflicts:
	src/main/webapp/knowledge/article.xhtml
Fixed #133:  Fix needed because of behaviour differences between EclipseLink and Hibernate.
Fixed #130: The problem occurred because the f:param was accessing a null variable.