require dev version of eulfedora for related object caching
adjust blank page detection for errors in QA: if image exceeds maxcolors, assume not blank [#67574168]
add interrupt handler to import cover script, to allow interrupting and still getting report of what was done
add progressbar to import covers script
add interrupt handler to import pages script
add progressbar to import pages script
suppress volume collection info on collection browse page
fix for failing unit test

load not found image from staticfiles unless in debug mode; set test to run in debug mode