Validating if the expires parameter is a Number
Storing pictures on a predictable URL.
Wrapping pictures in picture object.
Using environment variables for timeouts where possible.

If no value is found in the environment, they will be defaulted.
Bumped search timeout and added refresh statements to searches
Bumped search timeout to 1 minute to verify the failures are actually related to the timeout.
Scaled down search timeout to 20 seconds.

Added more refresh properties to searchAll tests.
Bumped search timeouts to 45 seconds.
Setting search timeouts back to 60 seconds.
Merge branch 'master' into profilepicfollowup

* master:
  fix equality/identity operator
  use strictEqual and check defaultValue
  remove commented out validation check
  fix test failures masked by using assert.ok as assert.equal
  fix use of assert.ok when meaning assert.equal
  (Issue 315) Adding unit test for disabling local auth.
  Clean up
  Add validator to getDirectRoles
  Increase wait times for tests.
  Update README.md
  Update README.md
  Update README.md
  Removed performance folder
  #337 Renamed the 'signed' test tenant to 'localhost'
  Created a config.signing namespace
  (Issue #315) Code clean-up from self-review
  (Issue #315) Making all authentication mechanisms honour the config state
  #318 - Removed public/private keys and using simple key
Fixed up jsdoc and parameter names in the principal models
Removing uploaded files when createFile/updateFileBody fails.
Cleaning job that periodically removes old files from the temp directories
Merged master with activities and preview processing.
Added prefix parameter to store options.
(Issue 369) Rather than wait timeout, wait until MQ processing finishes
(Issue 369) Wait for MQ to empty in searchRefreshed. Also delay after refresh command.
Forcing reset of activity configuration to defaults after each test.
Streamline naming of telemetry routes in activities
(ActivityPerformance) Provide ability to configure dedicated redis server.
(ActivityPerformance) Store entities by reference to reduce memory consumption