Added /opt/bin to @paths

Required on some distributions due to third-party raid management software installed into /opt/.
Merge pull request #54 from ercpe/master

Added /opt/bin to @paths
Update ChangeLog.md
add travis.yml
add empty cpanfile to fix cpanm install errors

"cpanm --installdeps --notest ." runs without erroring now
disable hp_msa test on travis
Merge branch 'upstream/master'