Send command options when listing add-ons.
Merge pull request #752 from heroku/additional-addon-options

Send command options when listing add-ons
Update release notes based on recent experiences
Remove '.' progress indicators since they're printed with inconsistent formatting
Don't build query string for add-ons if there are no params.
v2.38.0
Fix Cisaurus.job_done? to continue to poll while 202
v2.38.1
Disable use of SSLv2 to Rendezvous by forcing TLSv1
v2.38.2
Enable regions
Update release notes
v2.39.0
Fix terminology around the word 'process' - mostly replacing it with 'dyno' where appropriate
copy change on resize
fix specs for process/dyno changes
Merge pull request #778 from heroku/fix-dyno-process-output

Fix dyno process output
fix rendezvous spec
fix apps_spec
Properly parse for region option for addons:list. Closes #780