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
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.
Merge pull request #156 from Growstuff/dev

Email notifications, password reset, date picker, and more
Hotfix: don't escape HTML for analytics script
Merge pull request #155 from pozorvlak/comment_order

Comment order in posts/show
Merge pull request #158 from Skud/hotfix-analytics

Hotfix analytics
added sunniness field to plantings
generalised sunniness into a variable for later reuse
allow blank sunniness value as well as nil
added sunniness to the planting form
display sunniness on planting page
moved Member.confirmed to a scope
rewrote blurb