made options scheme more flexible for filter_ostreams, allowing backend-specific options to be passed (eg, redundancy and acls for Amazon)
make filter_ostream mode default to out if not specified in options
added optional parsable exception reports
Merge pull request #11 from jeremybarnes/exception-reports

added optional parsable exception reports
added missing dependency
bumping jml-build
Merge branch 'filter-ostreams-improvements' of github.com:jeremybarnes/jml
updated jml-build