Remove Twitter btn from Vanessa's bio and update Graeham's bio

Change-Id: I1c663cbf255f2269cf776f5c1f7dde5f4dab7e53
Signed-off-by: Eric Poirier <eric.poirier@eclipse-foundation.org>
diff --git a/foundation/staff.xml b/foundation/staff.xml
index d405711..f687224 100644
--- a/foundation/staff.xml
+++ b/foundation/staff.xml
@@ -137,7 +137,6 @@
     <username>vgriffiths</username>
     <title>Content &amp; Digital Marketing Specialist</title>
     <image>images_staff/vanessa.png </image>
-    <twitter></twitter>
     <description><![CDATA[
       <p>Vanessa is a career marketer with a passion for all things internet. When she's not in front of the computer, Vanessa loves to spend time getting active outside and visiting her huge extended family.</p>
       ]]>
@@ -452,7 +451,7 @@
     <title>Marketing &amp; Communications Assistant</title>
     <image>images_staff/graeham.jpg</image>
     <description><![CDATA[
-      <p>Graeham is a Marking & Communications Assistant, supporting Eclipse Foundation's marketing objectives through social media and graphic design. When outside of work, he enjoys photography and fashion design.</p>
+      <p>Graeham is a Marketing & Communications Assistant, supporting Eclipse Foundation's marketing objectives through social media and graphic design. When outside of work, he enjoys photography and fashion design.</p>
       ]]>
     </description>
   </staffmember>