Update Berksfile

issue #32 , tomcat cookbook have been re-forked by github maoo account; bixed cookbook pointer into Berksfile

Former-commit-id: 2b7302abb0975efa0c812041caecd8fb746a66bd [formerly 2b7302abb0975efa0c812041caecd8fb746a66bd [formerly 0287a9c]]
Former-commit-id: f27d173
Former-commit-id: 7506e13
Former-commit-id: 9a0bc7b

common/Berksfile

@@ -36,4 +36,4 @@ cookbook 'openoffice',              git: 'git://github.com/dhartford/chef-openof
 
 cookbook 'alfresco',                git: 'git://github.com/maoo/chef-alfresco.git',      tag: 'chef-alfresco-0.4.2'
 cookbook 'artifact-deployer',       git: 'git://github.com/maoo/artifact-deployer.git',  tag: 'artifact-deployer-0.7.5'
-cookbook 'tomcat',                  git: 'git://github.com/maoo/tomcat.git',             tag: 'chef-tomcat-0.15.12-custom-4'
+cookbook 'tomcat',                  git: 'git://github.com/maoo/tomcat.git'