log trac error if something goes wrong with opening the project environment, see #256
log trac error if something goes wrong with opening the project environment, see #256


git-svn-id: e959ebe540f258281fb77864025b49ae95417172@534 51ba4ec3-dd23-0410-a888-bc9a71dd14c1

dscho/email2trac,dscho/email2trac,dscho/email2trac,dscho/email2trac