Make ECONNRESET handling more specific.
Detect deactivation when processing actions.

Also add a .inspect method to print BtUsers more easily,
and move the verifyCredentials method onto the BtUser object.
Null out deactivatedAt on login.
Fetch mentions timeline when starting stream.
Improve docs and refactor update-users.js
Check for user reactivation every hour.
Make settings includable elsewhere.
Fix content-type.
Revamp home page.

Inline settings into home page for first signup.
Add code to support setting settings for first signup.
Turn sign up / log on into form POSTs.
Introduce parsing of URL encoded bodies.
Simplify introduction.
Switch to intents for linking by uid.

Fixes #47.
When users follow @blocktogether, follow back.

Allows a two-way feedback channel via DM.
Merge pull request #50 from jsha/follow-back

When users follow @blocktogether, follow back.
Display screen names on the Actions page.

Also add a necessary association from Actions to TwitterUsers.
Attach a cause and cause_id to Actions.
Add robots.txt.
Merge pull request #51 from jsha/actions-by-screen-name

Display screen names on the Actions page.
Merge pull request #52 from jsha/actions-have-cause

Attach a cause and cause_id to Actions.
Miscellaneous fixes.

Update-users now stores looked-up users one more (broke this when refactoring).
Log On (vs Sign Up) now sets cookies and redirects correctly.
Add btn-primary class to buttons.
Add "(beta)" in homepage header.
Log friendships correctly.
Correctly find new log-on-form