Adding missing route tracker/:id/artifacts

Change-Id: I525cdbc32c0620d59f8761c6ced9ea5736b58276
REST query implementation for a string value

Change-Id: I56c4b17ead9b87ef81c6f2606fab1b421cc431d4
REST query implementation for a select value

Change-Id: I0e797573fe2f712948dd3fb9cdb4287fc34dbf94
Rest TESTS for trackers/:id/artifacts with query

Change-Id: I65c27c183299e6af8e14c42179029e7114de8123
REST query implementation for a date value

Change-Id: I36167d728f86eec904f45cedcbb034c503ce687b
Merge remote-tracking branch 'stable/master' into HEAD

Change-Id: I0a4e6c6b3c10d89ca84b139897b24da14b06aa4b
Optimising performance on routes that return lots of artifacts

Change-Id: Ie436bdc5d9859dab4b5647aa2a5764681a858904
Fixing bugs: Fatal error when field-type is not supported; notices when string is passed as criteria value.

Change-Id: Ic2e0659a833f3cd70f6ac9cd42a9f312befd6179
Merge remote-tracking branch 'stable/master' into HEAD

Change-Id: If4dbbda0314617fbb3e0156ff6c605a362b5d211
Merge remote-tracking branch 'gerrit/6277_rest_query_parameter' into HEAD

* gerrit/6277_rest_query_parameter:
  Fixing bugs: Fatal error when field-type is not supported; notices when string is passed as criteria value.
  Optimising performance on routes that return lots of artifacts
  REST query implementation for a date value
  Rest TESTS for trackers/:id/artifacts with query
  REST query implementation for a select value
  REST query implementation for a string value
  Adding missing route tracker/:id/artifacts

Change-Id: I702fd4c825252701b1115dc96f37d1236eb1d206
This is Tuleap 6.11.99.41

Change-Id: I98f0298a75431809a19f4bd320214f35e5c8e9c5