Add snapshots to Ivy
LPS-46897 Bring com.liferay.util.ant back into core to be abstracted out later
LPS-46897 Remove bnd since it's in portal now
LPS-46897 Use new "classpath.*" pattern, and new dependencies/* pattern meaning that every Ant command is isolated in its own classpath. <baseline-jar now consumes a published com.liferay.ant.bnd.jar.