[bug 1045982] Added ban/unban interface for AoA.

This adds an interface for moderators to ban or unban
specific twitter handles from using the AoA tool.
[bug 1050766] Measure delta between creating a task and it starting
Simplyify Topic API.

Primarily for Yaocho, although this gives other clients a nicer
interface too.
[bug 1050766] Fixed. total_seconds() is new in python 2.7. #oops
Adding users to CC_IGNORE_USERS list

6 Names added.

Signed-off-by: Mike Cooper <mythmon@gmail.com>
Fixed rate limiting on cron share link generation.
[bug 1045677] Button styling for mobile wiki