fix(pagination): fixes issue when init called after watch triggered

Ensure `$watch expressions are bound after init is called

Closes #2257
Fixes #2227

Author: pschuegr

src/pagination/pagination.js

@@ -21,6 +21,20 @@ angular.module('ui.bootstrap.pagination', [])
     } else {
       this.itemsPerPage = config.itemsPerPage;
     }
+
+    $scope.$watch('totalItems', function() {
+      $scope.totalPages = self.calculateTotalPages();
+    });
+
+    $scope.$watch('totalPages', function(value) {
+      setNumPages($scope.$parent, value); // Readonly variable
+
+      if ( $scope.page > value ) {
+        $scope.selectPage(value);
+      } else {
+        ngModelCtrl.$render();
+      }
+    });
   };
 
   this.calculateTotalPages = function() {
@@ -48,20 +62,6 @@ angular.module('ui.bootstrap.pagination', [])
   $scope.noNext = function() {
     return $scope.page === $scope.totalPages;
   };
-
-  $scope.$watch('totalItems', function() {
-    $scope.totalPages = self.calculateTotalPages();
-  });
-
-  $scope.$watch('totalPages', function(value) {
-    setNumPages($scope.$parent, value); // Readonly variable
-
-    if ( $scope.page > value ) {
-      $scope.selectPage(value);
-    } else {
-      ngModelCtrl.$render();
-    }
-  });
 }])
 
 .constant('paginationConfig', {