1. complete real-time automatic-message-updating function
1-1. add a foreign key to Reply table
1-2. add a function replyEvent() in accounts.views to retrieve message
1-3. implement globalEvent['reply'](data) in client side
1-4. remove addReply() in ChatroomModalView, using renderReply() instead


a. haven't found a way to convert 'time' string to datetime format in
server
Merge branch 'develop' into W15B-3
1. modify event system
2. modify datetime format
3. change datetime display format for replys
1 complete W16C
add chat.png
add 100 users and shops
1. add description and address to 100 shops
2. add image "notification.png"
3. add account.views.users() to add users and shops for testing
4. modify css for chat-list
1. change layout of SellerItemBox (on progress)
1. remove bootstrap rules from SellerItemBox, use absolute positions
instead
2. add description display rule for horizontal layout
1. modify shop main functions' HTML tags from <button> to <a> in order
to apply bootstrap .btn-default property
2. complete shopbox CSS
1. modify ItemBoxView
2. modify ShopBoxView
20131026 tmp
Merge branch 'W17a' into develop

Conflicts:
	djangotest/templates/index.html