Support WebMatrix
Use environment listening port number.
Merge branch 'master' of https://github.com/OpenUserJs/OpenUserJS.org
Merge branch 'master' of https://github.com/OpenUserJs/OpenUserJS.org
Merge branch 'master' of https://github.com/OpenUserJs/OpenUserJS.org
Merge branch 'master' of https://github.com/OpenUserJs/OpenUserJS.org
Merge branch 'master' of https://github.com/OpenUserJs/OpenUserJS.org
Allow empty profile descriptions; Fixes https://github.com/OpenUserJs/OpenUserJS.org/issues/155
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Merge pull request #156 from jerone/issue-155

 	Allow empty profile descriptions; Fixes OpenUserJs#155