BIGTOP-1506. bigtop-utils won't detect JAVA_HOME in some cases

Signed-off-by: Mark Grover <mark@apache.org>
Added mac support for docker provision
BIGTOP-1194. redhat-lsb-core is sufficient in spec files (Newton Alex via rvs)
BIGTOP-1384: Added gradle wrapper for simpler building.
BIGTOP-1511: make TestCLI compatible with Hadoop 2.4

Removes all occurences of TokenComparator for string 'Found 1 items'.
Based on HDFS-6058: Fix TestHDFSCLI failures after HADOOP-8691 change.
BIGTOP-1514. Remove hive from modules in test-artifacts.