added services docs
updates to sendgrid
updates to sendgrid
toc doesn't like periods in titles
update managing-services
added placeholdersfor elephantsql, cleardb. added scotts sample app for mongolab, elephantsql, cleardb, rds_mysql
moved marketplace services to cloudfoundry.com
Merge remote-tracking branch 'upstream/master'
update root index for services
Merge remote-tracking branch 'upstream/master'
updated sendgrid
updates to template
added env var for cleardb
updated cleardb with env var
updated elephantsql
updated elephantsql
updated elephantsql
added googlegroup for providers
updated mongolab
update link to managing-services