Correct reps-council mailing list address.
[bug 879757] Correct email for need-info flag.
[bug 879757] Automated poll emails to be sent to reps council alias.
[bug 879757] Atomically create Poll and its components.
[Fix bug 927806] Fix default avatar url path
Merge pull request #518 from johngian/fix-avatars

[Fix bug 927806] Fix default avatar url path