Merge pull request #21 from akiyamalab/4.1.3

minor changes for 4.1.3

Merge pull request #18 from metaVariable/4.1.2_fix

Update to MEGADOCK 4.1.2

Merge pull request #12 from akiyamalab/dev_4.1.1

update to megadock-4.1.1

Merge pull request #11 from akiyamalab/dev_4.1.0

update to megadock-4.1.0

Merge pull request #6 from metaVariable/fix_travis_170626

[FIX] fix .travis.yml for TravisCI