fixed HTML typos, added Oxford commas as needed, tightened up grammar

www/conservancy/static/supporter/2015-supporter-appeal.html

@@ -87,7 +87,7 @@ Software Freedom Conservancy has had a lot of major successes this year:
 Conservancy: <a href="http://sfconservancy.org/news/2015/jul/23/qemu-joins/">QEMU</a>,
   the generic machine emulator and
 virtualizer, <a href="https://www.bro.org/">The Bro Network Security
-Monitor</a>, the Godot Game Engine[FIXME]
+Monitor</a>, the <a href="http://www.godotengine.org/">Godot Game Engine</a>,
 and <a href="http://outreachy.org">Outreachy</a>, a program dedicated to
 helping people from underrepresented groups get involved in free and open
 source software. We also worked with the Debian community to launch
@@ -95,7 +95,7 @@ the <a href="https://sfconservancy.org/news/2015/aug/17/debian/">Debian
 Copyright Aggregation Project</a> at their request.</li>
 
 <li>We <a href="http://sfconservancy.org/news/2015/mar/05/vmware-lawsuit/">supported
-the law suit</a> Christoph Hellwig has brought against VMware in Germany, the
+the lawsuit</a> Christoph Hellwig has brought against VMware in Germany, the
 first case on derivative works and the GPL.</li>
 
 <li>We fought for
@@ -107,14 +107,14 @@ ensuring that you are free to hack on the devices that you legally own. </li>
 <li>We collaborated with the <a href="https://fsf.org/">Free Software
 Foundation</a> to publish
 the <a href="https://sfconservancy.org/linux-compliance/principles.html">Principles
-of Community-Oriented GPL Enforcement</a> , establishing community norms for
+of Community-Oriented GPL Enforcement</a>, establishing community norms for
 enforcing the GPL in the public's interest, which have 
 already been <a href="https://sfconservancy.org/linux-compliance/principles.kr.html">translated
 into Korean</a> [and Chinese].</li>
 
 <li>Along with FSF, we
 helped <a href="http://sfconservancy.org/news/2015/jul/15/ubuntu-ip-policy/">Canonical,
-Ltd. achieve compliance in its “Intellectual Property” Policy</a>, while
+Ltd. achieve compliance in its "Intellectual Property" Policy</a>, while
 pointing out that the policy fails to address important software freedom
 issues.</li>
 
@@ -144,7 +144,7 @@ firmware in wireless devices.
   
 <li>We gave keynotes
 at <a href="https://sfconservancy.org/blog/2015/aug/17/debian/">DebConf</a>, <a href="https://archive.fosdem.org/2015/schedule/event/identity_crisis/">FOSDEM</a>, <a href="https://sfconservancy.org/blog/2015/jul/14/FISL16/">FISL</>, <a href="https://sfconservancy.org/news/2015/mar/31/libreplanet/">LibrePlanet</a>, <a href="https://sfconservancy.org/blog/2015/sep/30/linaro-keynote/">Linaro
-Connect</> and participated in many conferences more all over the world, and
+Connect</a>, and participated in many conferences more all over the world; we also 
 shared our expertise in initiatives
 like <a href="https://copyleft.org/">copyleft.org</a>. We participated in
 interviews and <a href="https://sfconservancy.org/blog/">blogposts</a>, and
@@ -170,7 +170,7 @@ future of technology. We do them because they are right. <b>But we cannot do
 them without you</b>. If we do not meet our fundraising goals, we will be
 forced to radically restructure.</p>
 
-<p>Our fiscal sponsorship model is not financially self sustaining. We cannot
+<p>Our fiscal sponsorship model is not financially self-sustaining by itself:  we cannot
 afford even one staff member and basic overhead with the revenue we take in
 from our projects. In order to effectively continue to serve our member
 projects, we need [750] Supporters. If you use or care about
@@ -182,11 +182,11 @@ Supporter today</a>.</p>
 <h4>Fighting for the GPL<h4>
 
 <p>Many consider our GPL compliance and enforcement controversial.   We don't
-think it is: We stand up for
+think it is:  we stand up for
-the GPL at the request of the Linux kernel community, the Debian community
+the GPL at the request of the Linux kernel community, the Debian community, 
-and our member projects. Most recently that has resulted in our funding
+and our member projects. Most recently, that has resulted in our funding
 of the <a href="http://sfconservancy.org/news/2015/mar/05/vmware-lawsuit/">suit
-against VMware</a>, which is the first law suit on derivative works and the
+against VMware</a>, which is the first lawsuit on derivative works and the
 GPL. While this work is extremely important to the continued long-term
 success of software freedom and copyleft, it makes fundraising from companies
 very difficult. While enforcement of the protections around free and open source
@@ -195,14 +195,14 @@ reluctant to fund organizations that take on this enforcement task. Some compani
 have withdrawn from funding us and some have even successfully pressured 
 conferences to cancel or prevent talks on our enforcement work. We do
 this work because we think that it is good for everyone in the long run,
-because we know it is the right thing to do and because we know that we are
+because we know it is the right thing to do, and because we know that we are
 in the best position to do it. But that's not enough &mdash; you have to think it's
 right too and <a href="https://sfconservancy.org/supporter/">show us by
 becoming a Supporter now</a>.</p>
  
 <h4>It's up to you</h4>
 
-<p>We have raised enough money to continue the VMware case but our overall
+<p>We have raised enough money to continue the VMware case, but our overall
 enforcement work needs additional support to be able to continue.  As we
 state in
 the <a href="https://sfconservancy.org/linux-compliance/principles.html">Principles