Print ReSpec version into the log

This should help people with problem reporting.
Also changed the repo in the package.json to the w3c github location.
report errors/warnings from cmd line tool
Merge pull request #357 from dontcallmedom/cmdline-report

report errors/warnings from cmd line tool
Merge pull request #354 from w3c/patch-version

Print ReSpec version into the console log
Merge branch 'develop', remote branch 'origin' into develop
v3.2.27
Merge branch 'develop' into gh-pages