Add standardized .travis.yml in all roles
Add LICENSE file in all roles
Update template for role README files

README template is cleaned up, some more badges are added and sections
are reordered.
Add README.md files in all roles

Some README.md files were updated, all of them were generated from meta
information in each role using ansigenome.
Update CHANGELOG.md
Merge pull request #171 from drybjed/mass-role-update

Mass role update