chore, remove gengetopt dependency from clitoris travis ci config

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
chore, cosmetics, refrain from using subshells, use process brackets

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
Merge branch 'bld/travis'

* bld/travis:
  chore, cosmetics, refrain from using subshells, use process brackets
  chore, remove gengetopt dependency from clitoris travis ci config