As of 30 June 201121 Nov 2012, the following files on trunk had version numbers in them.
QPID_VERSION.txt
cpp/bindings/qpid/ruby/README.rdoc
cpp/docs/man/qpidd.1
doc/book/src/java-broker/commonEntities.xml
extras/qmf/setup.py
java/broker/src/main/java/broker.bnd
java/client/src/main/java/client.bnd
java/common.xml
java/common/src/main/java/common.bnd
java/management/common/src/main/java/management-common.bnd
java packaging/management/eclipse-plugin/META-INF/MANIFEST.MFwindows/INSTALL_NOTES.html
packaging/windows/installer.proj
python/setup.py
tests/setup.py
tools/setup.py