fix url in scm
Merge pull request #1 from michaelrice/urlfix

fix url in scm
if config missing throw exception, also give message about docs if old unsupported config is found
Merge pull request #2 from michaelrice/configCheck

if config missing throw exception, also give message about docs if old u...
Revert "Merge pull request #2 from michaelrice/configCheck"

This reverts commit aa1f1aac51d714d9e86ead8d3b01316a0a20159e, reversing
changes made to 0836d8aca692ec89fb4af553d2974c6ce4365eb3.
Merge branch 'master' into gh-pages