doc: explicitly set industry logo height

doc/index.html

@@ -38,7 +38,7 @@
     <div id="quotes" class="clearfix">
         <h2>Node.js in the Industry</h2>
         <ul>
-            <li class="microsoft"><img src="http://nodejs.org/images/microsoft-logo.png">
+            <li class="microsoft"><img src="http://nodejs.org/images/microsoft-logo.png" height=34>
             <p>Node gives Azure users the first end-to-end JavaScript
             experience for the development of a whole new class of real-time
             applications.
@@ -48,7 +48,7 @@
             <span>Principal Program Manager, Microsoft Open Technologies, Inc.</span></p>
             </li>
 
-            <li class="ebay"><img src="http://nodejs.org/images/ebay-logo.png">
+            <li class="ebay"><img src="http://nodejs.org/images/ebay-logo.png" height=34>
             <p>Node’s evented I/O model freed us from worrying about locking
             and concurrency issues that are common with multithreaded async
             I/O.
@@ -57,7 +57,7 @@
             <br>
             <span>Principal Member, Technical Staff</span></p></li>
 
-            <li class="linkedin"><img src="http://nodejs.org/images/linkedin-logo.png">
+            <li class="linkedin"><img src="http://nodejs.org/images/linkedin-logo.png" height=34>
             <p>On the server side, our entire mobile software stack is
             completely built in Node. One reason was scale. The second is
             Node showed us huge performance gains.
@@ -66,7 +66,7 @@
             <br>
             <span>Director of Engineering, Mobile</span></p></li>
 
-            <li class="yahoo"><img src="http://nodejs.org/images/yahoo-logo.png">
+            <li class="yahoo"><img src="http://nodejs.org/images/yahoo-logo.png" height=34>
             <p>Node.js is the execution core of Manhattan. Allowing
             developers to build one code base using one language – that is
             the nirvana for developers.