chore, try OPTIONS build for travis

Signed-off-by: Sebastian Freundt <hroptatyr@fresse.org>
chore, rewrite travis file to run cat test/test-suite.log only after_failure

Signed-off-by: Sebastian Freundt <hroptatyr@fresse.org>
Merge branch 'bld/travis'

* bld/travis:
  chore, rewrite travis file to run cat test/test-suite.log only after_failure
  chore, try OPTIONS build for travis
chore, prefer out of tree builds on travis

Signed-off-by: Sebastian Freundt <hroptatyr@fresse.org>
Merge branch 'bld/travis'

* bld/travis:
  chore, prefer out of tree builds on travis