Change contact email

webmaster@openafsfoundation.org probably doesn't eist.

Change-Id: I8f1fbec39a41442a0dca8d42dbfc1a7c71e3a756
Add a contact page

Change-Id: I3a4fed36dea2caeb016f629ad630795e5fef9924
Add more documents, remove 501c3 application

Change-Id: I70d44bf3c51ae4fa1803eb7544fe3a7ca48db79b