Merge pull request #136 from Growstuff/dev

Update Terms of Service/other policies for soft launch
Merge pull request #142 from Growstuff/dev

Several stories to push to production
Members can send each other private messages.

Problems:
Notifications controller test fails on redirecting, but seems to work fine in practice
Send Message button doesn't look nice on page
Fix test failure on redirect

The "create" method was never being called. Removing the sender_id
parameter fixed that. Routing problem, maybe?
Merge pull request #6 from pozorvlak/private_message

Fix test failure on redirect
Generate skeleton notifier.
Method to send email notifications.
Actually send email on creating notifications.
Only send email notifications to members who want them.
Added email notification checkbox to settings
Actually add the view for the notifications.
a few small tweaks to email notification views
Merge pull request #150 from Skud/email_notifications

Email notifications
use fully qualified links in notification email
Merge pull request #152 from Skud/email_notifications

use fully qualified links in notification email
Tidy up URL handlers in notification email.

As per @jcaudle's comment
https://github.com/Growstuff/growstuff/pull/152#issuecomment-15563523
Fix misordered comments on post page bug.

https://www.pivotaltracker.com/story/show/46799417
Refactor model code out of view in posts/show.
Merge pull request #154 from pozorvlak/url_helpers

Tidy up URL handlers in notification email.
Skeleton "members near me".