Additions and updates regarding expt verification, approval, and email

contact from emulab. Addresses how users must perform verification before
they'll be approvable, and also about how email contact is used. Also
discusses spam filters and how to make exceptions for us, and not to use
SpamKiller or other manual confirmation schemes.

www/faq.html

@@ -14,6 +14,10 @@
      <li> <a href="#GS-Eligible">Who is Eligible to use Emulab.Net?</a>
      <li> <a href="#GS-1">How do I start a project?</a>
      <li> <a href="#GS-2">How do I join a project?</a>
+     <li> <a href="#GS-2b">I'm a project leader, and someone applied
+	                   to join my project, but they're not on the 
+	                   list to be approved.</a>
+     <li> <a href="#GS-2c">Will Emulab send me email messages?</a>
      <li> <a href="#GS-3">I have an Emulab account. Now what?</a>
      <li> <a href="#GS-PATH">Do I need to change my PATH variable?</a>
      <li> <a href="#GS-4">Can I be in more than one project?</a>
@@ -146,11 +150,66 @@
     information, and provide the name of the project you are trying to
     join (typically, the <i>Project Leader</i> will have told you the
     name of the project). Then click on the "Submit" button, and wait
+    for an email with your new user key. When that email arrives, use
+    the link in it (or the key itself), and use it with your password 
+    to log into the web site and verify your account. Then just wait
     for the project leader to approve you.  When approved you will
     receive an email message saying so, and you can then log into the
     Testbed.
     </p>
 
+<li><a NAME="GS-2b"></a>
+    <h3>I'm a project leader, and someone applied to join my project,
+    but they're not on the list to be approved.</h3>    
+    <p>
+      Joining a project has 3 stages. The first two are done by
+      the person trying to join, and they both must be completed
+      before you can approve their application. The first two are
+      outlined <a href="#GS-2">in the previous question</a>, where the
+      user fills out the "Join Project" form, and performs account
+      verification. After these two steps are both complete, the
+      project leader and any group leaders in the group 
+      (<a href="#GS-6">More info here</a>) will get an email saying
+      the account is ready to be approved, and it will appear on the
+      list of new users waiting to be approved.
+    <p>
+      If someone says they've applied, but you haven't received an
+      email from Emulab about it, and they don't show up on your
+      list, the most likely cause is that they haven't finished the
+      verification step.
+    </p>
+
+<li><a NAME="GS-2c"></a>
+    <h3>Will Emulab send me email messages?</h3>
+    <p>
+      Yes! Emulab uses email notifications to you in several different
+      ways. Often it will send you a copy of information regarding
+      experiments you set up, applications to projects, and other
+      things you do at Emulab. Sometimes (like with account
+      verification) the email is a critical part of being able to use
+      Emulab.
+    <p>
+      For those reasons it is <b>critical</b> that any spam filtering
+      software you have accept email from Emulab itself (anything
+      coming from the emulab.net domain) and from Emulab staff (from
+      the cs.utah.edu or flux.utah.edu domains). In many cases, it may
+      also say that is from a specific machine in those domains. Our
+      messages usually do not get flagged as spam by most filters, but
+      in certain cases it can be a problem. It is also important that
+      it not require manual intervention or confirmation to get emails
+      through to you, so programs like SpamKiller can cause problems.
+    <p>
+      It is also important to read your email often while you are
+      using Emulab, especially while you have machines reserved in 
+      an experiment. A few emails may be the only notification you'll
+      get before we swap out an experiment that appears to be idle,
+      and if you don't respond, you may lose important work. Email is
+      also our method for informing you about problems we may be
+      experiencing, downtimes, or other important announcements. Your
+      experience with Emulab (and ours with you) will be much more
+      pleasant if everyone is responsive to email.
+    </p>
+
 <li><a NAME="GS-3"></a>
     <h3>I have an Emulab account. Now what?</h3>
     <p>