SIGNUP-239 update version to 10.0-SNAPSHOT, fix calendar-api groupId, delete assembly

git-svn-id: https://source.sakaiproject.org/contrib/signup/trunk@85435 fdecad78-55fc-0310-b1b2-d7d25cf747c9
SIGNUP-239 add .svnignore, delete .classpath, .project

git-svn-id: https://source.sakaiproject.org/contrib/signup/trunk@85436 fdecad78-55fc-0310-b1b2-d7d25cf747c9
SIGNUP-239 delete /bin added incorrectly by savithap

git-svn-id: https://source.sakaiproject.org/contrib/signup/trunk@85437 fdecad78-55fc-0310-b1b2-d7d25cf747c9