Dia 0.97.3 NEWS update
[build] Remove -D*_DISABLE_DEPRECATED from makefile.msc

Deprecation updates wont happen on the stable branch if not absolutely
necessary.
Bug 728405 - back-port some bounding box calculation fixes from master

... so that the unit test works without complaints.
Bug 728405 - Include custom shapes for unit test

Formerly only programmed objects were tested within the build
environment, except if shapes were found outside of the source
tree (e.g. from home directory or build prefix)