fix people pics on front page

app/styles/app/pages/landing.sass

@@ -294,7 +294,7 @@
 
     h2
       color: #909295
-      
+
     h2#pr-bf-margin
       margin-top: 90px
 
@@ -332,7 +332,7 @@
       margin: 0
       display: inline-block
 
-    img.avatar
+    img.home-avatar
       max-width: 81px
       float: right
 

app/templates/home.hbs

@@ -220,7 +220,7 @@
 			</div>
 			<div class="medium-6 columns">
 				<div class="small-3 columns">
-					<img src="../images/landing-page/dhh.png" class="avatar">
+					<img src="../images/landing-page/dhh.png" class="home-avatar">
 				</div>
 				<div class="small-9 columns">
 					<p>Travis CI makes it so much easier for us to coordinate the thousands of commits and contributors that flow through the Rails code base. The test suite for such a large project is vast, and we wouldn’t be catching issues as quickly or smoothly without the help of Travis.</p>
@@ -229,7 +229,7 @@
 				</div>
 
 				<div class="small-3 columns">
-					<img src="../images/landing-page/chris.png" class="avatar">
+					<img src="../images/landing-page/chris.png" class="home-avatar">
 				</div>
 				<div class="small-9 columns">
 					<p>We love Travis CI at @TwitterOSS and use it for the majority of our open source projects on GitHub. Travis CI is simple to use, we love their API to build  tooling and adore the new container infrastructure for speedier builds.</p>
@@ -238,7 +238,7 @@
 				</div>
 
 				<div class="small-3 columns">
-					<img src="../images/landing-page/alex.png" class="avatar">
+					<img src="../images/landing-page/alex.png" class="home-avatar">
 				</div>
 				<div class="small-9 columns">
 					<p>Not only is Travis CI the best way to test your software, it is the right way. rm -rf jenkins &amp;&amp; touch .travis.yml</p>