update to gemfiles
add validation stuff
update to mailers, update to application js, add premailer gem to do styles correctly for emails, update wercker yaml to include update to ruby box - 193
email layout for all emails
replace missing modernizr with cdn modernizr
update transaction page to use application js
reducing dependency on partials as much as possible
add all transaction tests back into develop
remove old test folder, using spec
add build status into readme
minor updates to styles
update to homepage, update to purchase output
merge of develop into subscriptions, continue develop of subscriptions