add unit test for bug-pattern
remove the test-case project
correct bug category and a bug in pom
make viable private in ForbiddenSystemClass
fix and add more test case for ForbiddenSystemClass
fix the project version form 0.1 to 0.0.1
fix description in the main pom
remove project dependeny to mockito
fix the message in messages.xml
fix a method wrong use in UseSystemErr
remove the bug.addInt() line in bug pattern
make findbugs-plugin a single maven project
Merge pull request #2 from wliyongfeng/add-unit-test

Add unit test