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
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 #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
sort plantings by reverse creation date
Merge pull request #159 from Skud/sunshade

Sun or shade?
a few small tweaks to the views
Cleaned up controller for notifications.

Removed json from notification, since it's a bit risky and we don't really need it.
using cancan more correctly, fixed broken tests
Merge branch 'dev' of github.com:phazel/growstuff into private_message