drill

c3ed2e7b - DRILL-7943 Update Hamcrest to 2.2 (#2246)

DRILL-7943 Update Hamcrest to 2.2 (#2246) Update Hamcrest testing library from 1.3 to 2.2. Update all usages of org.junit.Assert.assertThat() to org.hamcrest.MatcherAssert.assertThat()