Performance optimisations for systems where canonicalPath is very slow, better logging to resolve dependency issues
fix dependency issues after cleanup when non-default output directory used
remove accidentally checked in file
remove accidentally checked in file
remove accidentally checked in file
fix merge conflicts
fix merge conflicts
fix merge conflicts
fix merge conflicts
Merge branch 'master' of github.com:ssadedin/bpipe
caching of canonical path with check of basePath to ensure consistency
caching of DAG lookups by canonical path to speed up large, complex pipelines
prevent null pointer exception when list containing null provided to 'from'
Merge branch 'master' of github.com:ssadedin/bpipe

Conflicts:
	src/main/groovy/bpipe/Dependencies.groovy