add a note about attribution metadata
Merge pull request #136 from jarmokivekas/metadata-attribution

Add a note about attribution metadata
Removed Travis CI status bade, not supposed to be here
Merge pull request #137 from duckduckgo/zaahir/remove-ci-status

Removed Travis CI status bade, not supposed to be here
small fix, trailing period was being included in link
better fix, also fix another link.

Markdent, you had one job...
Merge pull request #138 from duckduckgo/zaahir/tutorial-fix

small fix, trailing period was being included in link