update contribution schema
save more info to contribution: contributor
Add Roundup related
basic roundup and tracker logic
feature:email title and description editing
add archive and round page
feature: complete roundlist and round detail page
update translate
implement email sending feature
auth bugfix, email template rename;
feature: finish round email sending
Merge branch 'master' of github.com:fegeeks/easycms

* 'master' of github.com:fegeeks/easycms:
  fix schema