Fix fadeIn menu to be slower
implement filter by category page
Setup div for send mail on Contact Us page
Merge remote-tracking branch 'online/dev_jo' into dev

Conflicts:
	css/layout.less
Complete Contact Us page
Done, Contact Us on slide down taps
Done test mail new format for summary payment
Done reformat mail on payment bank-wire
Done reformat mail on payment bank-wire
Finish mail on payment bank-wire page
Add error.js, and handle clicking on payment
Done add finish button on payment to go back to home
add product image and add see detail of each product
Merge branch 'dev' into dev_jo
Prepare for paypal handled
Merge branch 'dev_peace' into dev
Fix php error on shop page, and change background on shop page
Done add paypal handle.
Separate mail class into new file, not test yet
fix layout