fix perl building
progress meter on perl building
add some things to local::libs
separate script for fetching prebuilt code
allow specifying system perl
allow overriding builds repo
move scripts into bin dir
move resource files to share
allow local::libs to be specified as multiple lines
move progress meter to util script
use prebuilt local::libs
fix get-prebuilt
better handling of build abort
fix error capturing in show-on-fail
shorter parameter calculation
new local::lib - cover