Fixes ambiguous column in user sql query.
fixed bug in billing

although the link for billing was moved from plans to payments, the
return message was still showing in plans
Merge pull request #71 from chris18890/billing

fixed bug in billing
Updates readme.
Changes README to markdown formatting.
Merge branch 'dev' of github.com:elplatt/seltzer into dev
Adds linebreaks to README.
Updates README.
Renames sample config file.
feature - plan import
Merge pull request #72 from chris18890/plan-import

feature - plan import
Cleans up some formatting and changes row header after #72.
Improves preprocess hook system for templates.
Adds password reset link to member welcome email.
Updates INSTALL file for new release.
Updates sql test data and moves cucumber tests into their own folder.
Adds test import data for members, plans, and amazon payments.
Adds javascript to focus elements with focus class, Closes #74.
Modifies payment history to use oldest-to-newest order, Closes #75.
Fixes warnings caused by missing default param.