ZP-384 #comment truncate log messages after 10KB #time 15m

git-svn-id: http://svn.berlios.de/svnroot/repos/z-push/trunk@1687 b7dd7b3b-3a3c-0410-9da9-bee62a6cc5b5
ZP-414 #comment check if stream resource is available before trying to stream it #time 15m

git-svn-id: http://svn.berlios.de/svnroot/repos/z-push/trunk@1688 b7dd7b3b-3a3c-0410-9da9-bee62a6cc5b5