More polite return for menus

src/com/owncloud/android/ui/activity/AccountSelectActivity.java

@@ -166,7 +166,7 @@ public class AccountSelectActivity extends SherlockListActivity implements
             }
         }
 
-        return false;
+        return true;
     }
 
     private void populateAccountList() {

src/com/owncloud/android/ui/activity/FileDetailActivity.java

@@ -152,6 +152,9 @@ public class FileDetailActivity extends SherlockFragmentActivity implements File
         case android.R.id.home:
             backToDisplayActivity();
             returnValue = true;
+            break;
+        default:
+        	returnValue = super.onOptionsItemSelected(item);
         }
         
         return returnValue;

src/com/owncloud/android/ui/activity/FileDisplayActivity.java

@@ -305,7 +305,7 @@ public class FileDisplayActivity extends SherlockFragmentActivity implements
                 break;
             }
             default:
-                retval = false;
+                retval = super.onOptionsItemSelected(item);
         }
         return retval;
     }

src/com/owncloud/android/ui/activity/UploadFilesActivity.java

@@ -118,7 +118,7 @@ public class UploadFilesActivity extends SherlockFragmentActivity implements
                 break;
             }
             default:
-                retval = false;
+                retval = onOptionsItemSelected(item);
         }
         return retval;
     }