ported WebAPI test calls in Makefile to API v2 format (see https://github.com/OHDSI/WebAPI/pull/174/commits/da618ed1b19c65b7967a7dc50f9c26c186ffc642#diff-9f84404cd9aacfe2ef6aa6d0d621eb4fL51)
ported WebAPI test calls in Makefile to API v2 format (see https://github.com/OHDSI/WebAPI/pull/174/commits/da618ed1b19c65b7967a7dc50f9c26c186ffc642#diff-9f84404cd9aacfe2ef6aa6d0d621eb4fL51)

rkboyce/WebAPI