Hack up release-version.sh to allow third-party deploys (1/3)
Hack up release-version.sh to allow third-party deploys (1/3)

Make the batch mode flag optional since I need to lock down some
dependency versions.

Signed-off-by: Johannes Schindelin <53fb8db7833fca1e1746dd8592f61048d350f64c@gmx.de>

scijava/scijava-common