http_client_test: following "numParallel" changed from 4 to 1024, adapted the stress test to specify 128 concurrent connections instead
Make stress test run in a similar context to the one prior to the change to "numParallel"
http_client_test: ensure that no instantiated HttpClient has more than 4 parallel connections
runner_test_helper: enabled quiet mode
PLAT-771: Fix for double encoding for space in path
Hotfix. Missing include
PLAT-771: Added leading / needed for erase
Merge pull request #157 from datacratic/PLAT-771

PLAT-771: Fix for double encoding for space in path
HttpClientV2: improved performance of requests with a large body
Merge branch 'master' into http-client-ih

Conflicts:
	service/testing/http_client_test.cc