add rvmrc and rbenv config files to git ignore
Update writing-service-v1.html.md.erb

Add app_id to V1 bind request

@modelseer and @ryantang
Cleaned up docs
Adding back loggregator docs
Fixing typo in title
Fixing the title. Again.
Fixing typo in required cf version
One. More. Try. Fix. Typo.
updated some cf and gcf info for logging
Add response codes to service broker v1 api docs.

[#60856084]
Clean up the writing-service-v1 doc.
Correct HTTP code for already deleted deprovision requests

[Finishes #61776822]
updated some content structure for writing-service.html in prep for new minor api version
updated services link on homepage
Correct some confusing or incorrect statements.

[#62021706]
Merge pull request #221 from cloudfoundry/mattr_tweaks

Correct some confusing or incorrect statements.
Updates for loggregator
remove purge from list of available bosh-cli commands
added stemcell incompatibility warning note with cf-release v147
Merge pull request #222 from willpragnell/master

Remove purge from list of available bosh-cli commands.