Merge pull request #157 from keithj/devel

Fluidigm support
Merge pull request #158 from keithj/devel

Added more CLI argument checks
Set shebang line to /software/bin/perl
Bumped version
Tidied manifest
Removed redundant imports
Housekeeping
Added find_fluidigm_sample_by_plate method
Added a class for iRODS paths

Added a class for Fluidigm assay result data

Added Fluidigm metadata updater