Upgrade selenium version to support Firefox 29
Fix CopyOnReadSetTest for testing concurrent writing
Downgrade Selenium to 2.41.0 because of NoClassDefFoundError
nevertheless it works with Firefox 29
Zipf implementation now calculates the Cumulative Discrete function to generate samples
use method call to retrieve server port instead of hardcoding it
update logback to 1.1.2
remove transitive tomcat dependency and set correct scope for logging-juli
Update Selenium to 2.42.2 and resolve httpclient lib version conflict with resteasy using jersey-client
Fix javadoc comment
Disabled TenantIT test due to Resteasy->Jersey migration
Remove commons-loggin dependency (it was commented)
Add @Ignore to subscribe test for TenantIT
Remove useless Spring dependency declaration
- Updates plugins to latest working version
- Set plugin version for "defaults" maven-clean/install/deploy/dependency-plugin
- TomcatEnvironment now search for silbops-service-X.X.X*.war instead of silbops.war
Write SCM Branch into MANIFEST.MF file
Adjust scope for JAX-RS libs
Updates JAX-RS libs and clean silbops-service-tenant configuration files
Correct formatting
Problem with new Tomcat versions:

7.0.52 and greater breaks Atmosphere 0.8.7 at runtime since the AmtosphereResource is closed
       before sending Advertises

The embedded version has also problem with the Java socket, apparently a race condition
blocks sending advertises. A workaround is to wait 100 ms before sending.
Fix typo in test name