itempage urls, views, templates are modified
google calendar is added.
Merge pull request #5 from shpark006/master

itemPage contents are added and modified
signin is added.
merge from safari master branch
signup is removed. there is a bug.
Merge pull request #6 from bosung/master

signin is maded.
aboutus content is changed.
Merge pull request #1 from safariworld/master

gogo
Merge remote-tracking branch 'upstream/master'
Merge pull request #3 from tgisaturday/master

merge