Revert "SONARJAVA-37 Exported findbugs.xml should have nodes 'confidence' and 'priority'"

This reverts commit 961b0c63d2e0d18d15043f27ec96a25097fe0acf.
SONARJAVA-109 Do not apply exclusions to configuration of Cobertura intrumentation
SONARJAVA-108 Remove configuration of file exclusions in Findbugs
Set update center dependency version to 1.5-M2 and add new properties parent to all java plugins
SONAR-2501 Add message to indicate if coverage per test has been collected
SONARJAVA-111 Support multiple binary directories in Findbugs
Refactor FindbugsCategory
SONARJAVA-111 add unit tests
Remove unused imports
Upgrade to sonar-packaging-maven-plugin 1.5-RC1
Upgrade to Sonar 3.5-M7
[maven-release-plugin] prepare release 1.2-RC1
[maven-release-plugin] prepare for next development iteration
SONARJAVA-94,SONARJAVA-95 Coverage not belonging to any test should be included into dump file
[maven-release-plugin] prepare release 1.2-RC2
[maven-release-plugin] prepare for next development iteration
Add URL to plugin page
Remove useless code from Sonar Java bundle.