check label permission and fix lint (#13)
* set created by and launch type correctly
This makes "launched_by" get computed right in the tests.
Mysteriously this seemed to work from API browser, but
this seems more correct to have it work this way, and makes
tests actually work.
For "manual" launch types the attribute used to populate "launched_by"
is "created_by". And we already have "is_bulk_job" to indicate that the
job is a bulk job. So lets just use this.
* check label is in an organization you can read
ede1b9af92