use waitFor() to make sure the process exit status is available
catch InterruptedException
link to Central Maven
now using the expected intermediate directory name
use error names instead of codes
better handle concurrency in purge()
allow partial purging
fixed race condition in file adding
fixed race condition in file adding
[maven-release-plugin] prepare release dirq-1.3
[maven-release-plugin] prepare for next development iteration
latest version is 1.3