changed css for API documentation to use Lato
changed css for API documentation to use Lato

xschildw/Synapse-Repository-Services,Sage-Bionetworks/Synapse-Repository-Services,Sage-Bionetworks/Synapse-Repository-Services,xschildw/Synapse-Repository-Services,zimingd/Synapse-Repository-Services,xschildw/Synapse-Repository-Services,zimingd/Synapse-Repository-Services,zimingd/Synapse-Repository-Services,Sage-Bionetworks/Synapse-Repository-Services,zimingd/Synapse-Repository-Services,xschildw/Synapse-Repository-Services,Sage-Bionetworks/Synapse-Repository-Services