add pom.xml for project
config the gitignore file
add li_yo mail to the recipients
add sub modules
ignore the target directory
add a example rule
add bugrank file
fix a bug in findbugs.xml and add a calss for test the bug
Merge pull request #1 from wliyongfeng/initialization-project

Initialization project
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