Merge pull request #498 from WrathfulSpatula/qrack_update

Update Qrack plugin for v7 API
1 job for master in 65 minutes (queued for 1 minute and 4 seconds)
Name Stage Failure
failed
docker build_master Build The script exceeded the maximum execution time set for the job
      Start 41: xacc_RDMTester
41/89 Test #41: xacc_RDMTester ......................... Passed 2.32 sec
Start 42: xacc_DDCLTester
42/89 Test #42: xacc_DDCLTester ........................ Passed 0.26 sec
Start 43: xacc_RotoselectTester
43/89 Test #43: xacc_RotoselectTester .................. Passed 227.29 sec
Start 44: xacc_QAOATester
WARNING: Timed out waiting for the build to finish
ERROR: Job failed: execution took longer than 1h0m0s seconds