added previous/next week buttons

app/controllers/home.controller.js

                 }
             });
 
+            $scope.goToRelativeWeek = function(relativeWeek)
+            {
+                $scope.selectedDate.setDate($scope.selectedDate.getDate() + (relativeWeek * 7));
+                $scope.loadWeeks();
+            };
+
             $scope.setDates($scope.getMonday($scope.selectedDate));
     }]);

app/controllers/sidebar.controller.js

                     DataShareBusiness.setCurrentGroup(group);
                 }
             };
+
+            $scope.findFreeRoom = function()
+            {
+
+            };
         }]);

app/views/home.html

     <div lu-busy="coursesView" class="col-xs-12 seven-cols">
 
         <div class="col-xs-12">
-            <md-datepicker class="col-xs-2 col-xs-offset-5" ng-model="selectedDate" md-placeholder="Enter date"></md-datepicker>
+            <div class="col-xs-offset-4 col-xs-1">
+                <md-button class="md-primary md-group-button" ng-click="goToRelativeWeek(-1)">
+                    <
+                </md-button>
+            </div>
+            <div class="col-xs-2">
+                <md-datepicker ng-model="selectedDate" md-placeholder="Enter date"></md-datepicker>
+            </div>
+            <div class="col-xs-1">
+                <md-button class="md-primary md-group-button col-xs-1" ng-click="goToRelativeWeek(1)">
+                    >
+                </md-button>
+            </div>
         </div>
 
         <div class="col-xs-1 hour-column">

app/views/sidebar.html

                     </md-button>
                 </li>
             </ul>
+
+            <!--<span>Need a room ?</span>
+            <md-button class="md-primary md-group-button col-xs-12" ng-click="findFreeRoom()">
+                Find a free room!
+            </md-button>-->
         </div>
     </md-content>
 </md-sidenav>