Fixed behaviour of WTSI::NPG::iRODS::Path get_avu for missing AVUs
Fixed quoting of shell commands.
Moved deletion of temporary results to the end of the test.
Fixed deprecated syntax.
Added audience_uri attribute to WTSI::NPG::Genotyping::Fluidigm::Publisher
Merge pull request #171 from keithj/devel

Bug fix and enhancement cherry-picks from precise branch