Added comments to remaining functions in Facebook.js
reorganize files
Merge pull request #20 from WhosOutThere/josh-cleanup

reorganize files
update script name
Merge pull request #21 from WhosOutThere/josh-cleanup

update script name
Added comments for functions in itinerary.js
Merge branch 'Shuotian-CodeCleanup'
clean up index.html
Merge pull request #22 from WhosOutThere/josh-cleanup

clean up index.html
Comment added for map.js and sendEmail.js

Weijian and Yanyan
fixed conflicts
fixed conflicts
fixed conflicts