Polish Architecture pages.
added services docs
updates to sendgrid
updates to sendgrid
toc doesn't like periods in titles
update managing-services
Merge pull request #85 from tsaleh/master

Added architecture diagram for cloud foundry internals
added placeholdersfor elephantsql, cleardb. added scotts sample app for mongolab, elephantsql, cleardb, rds_mysql
moved marketplace services to cloudfoundry.com
updates to services
Merge remote-tracking branch 'upstream/master'
Merge pull request #84 from scottfrederick/arch

Polish Architecture pages.
update root index for services
fix services link
Merge remote-tracking branch 'upstream/master'
clarify values of BOSH_VPC_DOMAIN and BOSH_VPC_SUBDOMAIN
Merge pull request #86 from mstine/master

Clarify values in bosh_environment
updated sendgrid
Bootstrap now creates orgs and spaces

And added more explanation of what is does
updates to template