Added new create_label action
Added new signature module
Added new dependencies to build file
rename out_plate to user-friendly source_pate, make it boolean and false by default so that it can be specifies simply as "--source_palte on the command line when an overwrite is needed "
Merge pull request #1 from mgcam/devel

command line and user friendly option for choosing source or target plates
Merge pull request #12 from jbeast/print_setup

Print setup
tests for volume check;  utf8 encoding when caching XML files; some common methods and accessors moved from the volume check to the epp parent; create_label callback to call parent run method
Merge pull request #17 from mgcam/devel

common methods and accessors moved to epp parent
Merge pull request #18 from wtsi-clarity/devel

Master