Upgrade the dependency on JUnit (4.11) and Hamcrest (1.3)
Reset the vssDirectory system property set by testGetSsDir in VssCommandLineUtilsTest before running the other tests.
This fixes a test failure after upgrading to JUnit 4.11
[maven-release-plugin] prepare release maven-scm-1.9.2
[maven-release-plugin] prepare for next development iteration
closes apache/maven-scm#17 already merged
closes apache/maven-scm#19 already merged
closes apache/maven-scm#14 already merged
SCM-778: upgrade junit and hamcrest.
closes maven-scm#7.