new branch
all pages
Merge branch 'dev' into mia_dev
Merge branch 'dev' of https://github.com/us4us/seed into mia_dev
remove some images
Merge branch 'dev' into mia_dev
rm image/ and empty dir
organize css/js files
update files related images changes
add a calendar
fix the checkout update issue about revert creator's wallet
    1. we should revert creator's old pay first
    2. then we can add current updated amount to his wallet again
Merge branch 'mia_dev' into dev
update checkouts integ test. Minghe fixed checkouts/search and update issues.
since mia remove th index.htm to index.html, the welcome controller
should update to avoid the missing template issue.