Merge pull request #853 from appirio-tech/feature/my-challenges-gray-bar

AS#148310367971238, Bug: Grey section visible on my challenges page

Author: vikasrohit

app/my-challenges/my-challenges.jade

@@ -31,5 +31,5 @@
               ng-repeat="challenge in vm.myChallenges | orderBy:vm.orderBy:true", 
               challenge="challenge", view="vm.view", ng-class="vm.view + '-view'")
 
-          tc-section.load-more(state="vm.loading")
+          tc-section.load-more-section(state="vm.loading")
               button.tc-btn(ng-show="vm.totalCount > vm.myChallenges.length", ng-click="vm.loadMore()") Load More

assets/css/my-challenges/my-challenges.scss

@@ -23,7 +23,7 @@
     text-align: center;
   }
 
-  section.load-more {
+  section.load-more-section {
     min-height: auto;
   }