chore: Fix validate-commit-msg.js

There was a problem when testing the validate-commit-msg
that process.argv[2] was undefined, which lead to the
failure of the spec.
style: fix jshint violations in changelog.js

Closes #300
fix(reporter): remove newline from base reporter browser dump

Closes #297
chore: Expand and clarify CONTRIBUTING.md

General reorganization to match the order that a new dev will need.
Add Initial Setup so people can verify a clean state before they begin making changes.
Expanded Making and Submitting changes.  Include commit message guidelines link.
Clarify build and test. Change lint -> jshint
chore: update contributors
chore: Make Travis.ci use the default 'grunt' command

The default grunt command should always pass, so Travis.ci should run that instead of a custom task list.
Merge pull request #307 from bitwiseman/fix-travis-jshint

chore: Make Travis.ci run the default 'grunt' command
chore: Add mailmap file
chore: update contributors
fix (reporter.dots): Make reporter only add newline to message when needed
chore(readme): correct links to point to testacular organization
feat(config): support running on a custom hostname

Add an optional 'hostname' parameter to the configuration
Usecases: running testacular on cloud9 and other PaaS;
legacy code that impose specific hostnames.
Merge pull request #311 from bitwiseman/docs-contributors

chore: Add mailmap and fix contributors
Merge pull request #276 from hmalphettes/feature-custom-hostname-support

Support running testacular on a custom hostname
Merge pull request #312 from bitwiseman/fix-dots

fix (reporter.dots): Make reporter only add newline to message when needed
fix(runner) Added meta tags for utf-8 encoding in safari.html and debug.html
Merge pull request #314 from sym3tri/fix-testrunner-encoding

fix(runner) Added meta tags for utf-8 encoding.
chore: add grunt init-dev-env to instructions
Merge pull request #315 from bitwiseman/patch-2

chore: add grunt init-dev-env to instructions
style(license): wrap license at 80