mod links in header

- change index.html to geekstorm.html
- change about.md to index.md so that it display as the landing page
- create member.html, plan.html and signup.html with layout=page default
update index content according to Mike's mockup
update member page for responsible js
add member map
add signup content
embedded signup form from jinshuju
rename plan.html
add content for plan.md
add bootstrap

- add bootstrapp include to head.html
- remove page title display on page.html
- set iframe border width 0