navigation menus: add class 'submenu'
navigation menus: add class 'submenu'

geoiq/digitalgazette,ajturner/crisiscommons,riseuplabs/crabgrass,nilclass/echosocial,adammck/crabgrass,riseuplabs/crabgrass,ajturner/crisiscommons,geoiq/digitalgazette,nilclass/echosocial,riseuplabs/crabgrass,nilclass/echosocial,ajturner/crisiscommons,geoiq/digitalgazette,adammck/crabgrass,riseuplabs/crabgrass,ajturner/crisiscommons,riseuplabs/crabgrass,geoiq/digitalgazette,riseuplabs/crabgrass,nilclass/echosocial,adammck/crabgrass,adammck/crabgrass,riseuplabs/crabgrass