Make some change.
Merge pull request #1 from jimmy43333/master

Change 報名方式 class to dl-horizontal
Add some comments
Change some indent, content.
Change center width to 80%.
Change facebook link to new tab.
Add camp introduction.
Make some change I don't know.
Let join.html to single page.
Change some bug.
Add content in join.html .
Delete swp file.
Change join.html, add function.js .

Add some javascript effect.
Add some content in join form.
Change some text in join.html .
Add next button in join form.
Add css class introduction.
Add ajax function in join form.
Add photo in introduciton page.
Change green background.