Add optional html class to base jade
Add optional html class to base jade

ThoughtWorksInc/objective8,d-cent/objective8,ThoughtWorksInc/objective8,ThoughtWorksInc/objective8,d-cent/objective8,prisamuel/objective8,d-cent/objective8,d-cent/objective8,ThoughtWorksInc/objective8,prisamuel/objective8,prisamuel/objective8,prisamuel/objective8