fixed link to references.html for about page
Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'upstream/master'
added more page links to references, put properties of paramaters of certain items into table for user friendly
Merge remote-tracking branch 'upstream/master'
use jquery to load page contents without refreshing
Merge pull request #43 from sandyphan/master

More contents to reference page