change mars mirror

Author: jdneo

PluginsAndFeatures/azure-toolkit-for-eclipse/pom.xml

@@ -38,7 +38,7 @@
         <repository>
             <id>mars</id>
             <layout>p2</layout>
-            <url>http://download.eclipse.org/releases/mars</url>
+            <url>http://mirror.cc.columbia.edu/pub/software/eclipse/releases/mars/</url>
         </repository>
         <repository>
             <id>scala</id>