Add coverage html reports.
Make travis submit coverage reports to the gh-pages branch.
Add credits and change commit msg structure in deploy.sh
Update to newest packages in package.json
Add sphinx-built docs and add grunt build task.

Also change the directory deployed by deploy.sh to ghdist, and move
all builds to this directory.
Only build and deploy from one of the travis builds.
Make the sphinx-build task more verbose.
Prevent Jekyll from trying to process the resulting build.
Remove coveralls badge and add link to code coverage report.
Merge pull request #1 from streamr/travisReports

Travis reports