Move user display code into user module #126
streamline code #126
Merge pull request #150 from chris18890/issue126

Move user display code into user module #126
Adds instant payment notification for Amazon Payments.
Fixes php notice caused by checking user id when not logged in.
Merge branch 'dev' of github.com:elplatt/seltzer into dev
Verify signature before saving amazon IPN payment, close #149.
Fix upgrade of user module, close #113.
Fix upgrade of member module from 2 to 3.
Force int values for plan voting/active field for #144.
Add default for hash/salt field for #145.
When crm_get_data() is called with invalid type, die with error, fix #127.
Fix new member email notifications, close #137.
Fix export of account balances, close #139.
Add billing_days_in_period() to get number of days in a billing period.
Add prorated first month to plan tab, close #157.
Add classes to form row fieldsets.
Make fieldsets with float class float left.
Add filter to payments page, close #155.
Fix payment edit form default method, close #154.