Merge 'riversyang' to 'master'.

Combine 'find' and 'share' functions with 'showDeal'.
Add free icon resources of Glyphicons.com to project.
Remove _id setter from user generation process.

Need further alignment of _id generation on server side, this change is
just to make app runnable.
Correct getting user id from request.
get back ID configuration but donot enable it now