whitespace
add Genome::Command::Copy
integrate Genome::Command::Copy into Genome::Command::Crud
enable copy for Genome::Library
document empty string syntax
separate the "business logic" from the command UI
switch to UR::Object copy
add copy ability to samples
update UR submodule
update for new UR API
update ur submodule for merged copy API
Merge remote-tracking branch 'origin/master' into copy-prototype
avoid possibly calling rollback() twice
return $copy from try/catch

I didn't correctly understand how try/catch worked previously.
move fallback error message to catch
explicit return is clearer
Merge pull request #110 from nnutter/copy-prototype

Add Copy feature to Crud and to Libraries and Samples