Render role summaries in italic, on type index pages
Render role summaries in italic, on type index pages

Since the summaries for classes and roles are phrased differently, it will help readers if we also render them differently.

jkeenan/doc,perl6/doc,perl6/doc,gfldex/doc,jonathanstowe/doc,MadcapJake/doc,muraiki/doc,jonathanstowe/doc,tbrowder/doc,MadcapJake/doc,muraiki/doc,jkeenan/doc,dha/doc,stmuk/doc,jkeenan/doc,hoelzro/perl6-doc,jkeenan/doc,MasterDuke17/doc,dnmfarrell/doc,jonathanstowe/doc,muraiki/doc,cygx/doc,MadcapJake/doc,antquinonez/doc,cygx/doc,jonathanstowe/doc,MasterDuke17/doc,jonathanstowe/doc,LLFourn/doc,dha/doc,LLFourn/doc,dha/doc,dnmfarrell/doc,antquinonez/doc,perl6/doc,dha/doc,perl6/doc,perl6/doc,stmuk/doc,hoelzro/perl6-doc,muraiki/doc,hoelzro/perl6-doc,stmuk/doc,antquinonez/doc,dha/doc,jkeenan/doc,LLFourn/doc,gfldex/doc,cygx/doc,antquinonez/doc,dmaestro/doc,gfldex/doc,tbrowder/doc,gfldex/doc,muraiki/doc,MadcapJake/doc,gfldex/doc,hoelzro/perl6-doc,dnmfarrell/doc,tbrowder/doc,dnmfarrell/doc,LLFourn/doc,MasterDuke17/doc,MasterDuke17/doc,tbrowder/doc,dmaestro/doc,dmaestro/doc,cygx/doc,LLFourn/doc,MadcapJake/doc,antquinonez/doc,stmuk/doc,dnmfarrell/doc,cygx/doc,stmuk/doc,dmaestro/doc,hoelzro/perl6-doc,dmaestro/doc