change page title from 'Pivotal Docs' to 'Cloud Foundry Docs'
change page title from 'Pivotal Docs' to 'Cloud Foundry Docs'

cloudfoundry/docs-book-cloudfoundry,cwest/docs-book-cloudfoundry,swisscom/docs-appcloud-book,swisscom/docs-appcloud-book,cloudfoundry/docs-book-cloudfoundry,bridgetkromhout/docs-book-cloudfoundry,bridgetkromhout/docs-book-cloudfoundry,cwest/docs-book-cloudfoundry,cloudfoundry/docs-book-cloudfoundry,shalako/docs-book-cloudfoundry,cwest/docs-book-cloudfoundry,shalako/docs-book-cloudfoundry,shalako/docs-book-cloudfoundry,shalako/docs-book-cloudfoundry,bridgetkromhout/docs-book-cloudfoundry,bridgetkromhout/docs-book-cloudfoundry,cwest/docs-book-cloudfoundry,cloudfoundry/docs-book-cloudfoundry,swisscom/docs-appcloud-book,swisscom/docs-appcloud-book