Set default value of 'trunk' if anthill.build.tag_built attribute is not set.
Set default value of 'trunk' if anthill.build.tag_built attribute is not set.

SVN-Revision: 1155

NCIP/nci-term-browser,NCIP/nci-term-browser,NCIP/nci-term-browser,NCIP/nci-term-browser