update github-syntax css file name
Merge pull request #1 from wilxn/master

add api doc to project
add en site
update api doc part of cn site
Fix timestamp iso8601 format

Fix UTC iso8601 format of timestamps.
update stylesheets
update ie compat code
修复链接错误
Update properties of datastream and device.
Merge pull request #2 from nlfan/master

Update properties of datastream and device.
Update api doc overview
update api doc's overview for english site
Fix bug.
Fix bugs of value.
Merge pull request #3 from nlfan/master

Fix bug.
update datapoint api
update api doc about data managment
fix bug about api for data managment
update response format
update links