Perltidy configuration

The following Perltidy configuration can be used as a guideline for formatting the code in Metamod.

# make some defaults explicit to document the decision
--indent-columns=4
--cuddled-else
--indent-block-comments
--paren-tightness=1
--square-bracket-tightness=1
--brace-tightness=1
--block-brace-tightness=0
-nbl
-nsbl
--static-block-comments
# deviations from the default
--maximum-line-length=120
--continuation-indentation=4
--opening-brace-always-on-right
--closing-token-indentation=0