Firefox 40.0b5

• All builds failed because the GPG key expired.
• After getting started with a new key, a bunch of builds failed because of Mozharness pinning issues.
• Did not ship because it was too delayed

Firefox 40.0b6

• Release runner hung for a long time waiting on hg
• One win32 repack chunk hung for a long time waiting on hg
• Updates builder failed because of fallout from balrog submitter refactored
  • Backed it out to get going again