fix(frontend): Improve new machine page

	Disk, Swap and RAM numeric entry
	Enable SWAP volumes by default on new machine
	Minimum disk size entry set by the selected ISO

fixes #1150 & #1154

templates/ng-templates/new_machine_template.html.ep

@@ -80,32 +80,29 @@
             <div class="form-group row" ng-if="backend == 'KVM'">
                 <label for="disk" class="col-xl-3 col-form-label"><%=l 'Disk Size: (GB)' %></label>
                 <div class="col-lg-2">
-                    <input class="slider form-control" ng-model="ddsize" type="range" name="disk"
-                        min="{{min_size}}" max="100" required="">
-                </div>{{ddsize}}
-                  <a ng-show="!seeswap"
+                    <input class="form-control" ng-model="ddsize" type="number" min ="{{min_size}}" name="disk" required="">
+                </div>
+                  <a ng-show="seeswap"
                       ng-click="show_swap()"
                       align="right"><span class="badge badge-primary ml-2">Add swap</span></a>
-                  <a ng-show="seeswap"
+                  <a ng-show="!seeswap"
                       ng-click="show_swap()"
                       align="right"><span class="badge badge-primary ml-2">Remove swap</span></a>
                   <div ng-show="showMinSize">
                     <font color="orange"><%=l 'The Minimum Disk Size needed for this ISO is' %> {{min_size}}GB.</font>
                 </div>
             </div>
-            <div class="form-group row" ng-show="seeswap" ng-if="backend == 'KVM'">
+            <div class="form-group row" ng-show="!seeswap" ng-if="backend == 'KVM'">
                 <label for="swap" class="col-xl-3 col-form-label"><%=l 'Swap Size: (GB)' %></label>
                 <div class="col-lg-2">
-                    <input class="slider form-control" ng-model="swapsize.value"
-                    type="range" name="swap" id="swap" min="1" max="4" ng-disabled="!seeswap">
-                </div>{{swapsize.value}}
+                    <input class="form-control" ng-model="swapsize.value" type="number" min ="0.1"name="swap"  id="swap" ng-disabled="seeswap">
+                </div>
             </div>
             <div class="form-group row" ng-show="backend == 'KVM' || backend == 'LXC'">
                     <label for="memory" class="col-xl-3 col-form-label"><%=l 'Ram: (GB)' %></label>
                     <div class="col-lg-2">
-                        <input class="slider form-control" ng-model="ramSize" type="range"
-                        name="memory" min="1" max="4" required>
-                    </div>{{ramSize}}
+                            <input class="form-control" ng-model="ramSize" type="number" min ="0.1" name="memory">
+                    </div>
             </div>
             <div class="form-group row">
                 <div ng-show="new_machineForm.$submitted || new_machineForm.name.$touched">
@@ -121,21 +118,6 @@
                         <strong><%=l 'Error' %></strong> <%=l 'Backend selection is required.' %>
                     </div>
                 </div>
-          <!--  <div ng-show="new_machineForm.$submitted || new_machineForm.ddsize.$touched">
-                <div ng-show="new_machineForm.ddsize.$error" class="alert alert-warning fade in">
-                    <strong><%=l 'Error' %></strong> <%=l 'Disk size must be between 1 and 40 GB.' %>
-                </div>
-            </div>
-            <div ng-show="new_machineForm.$submitted || new_machineForm.swapsize.$touched">
-                <div ng-show="swapsize" class="alert alert-warning fade in">
-                    <strong><%=l 'Error' %></strong> <%=l 'Swap size must be between 1 and 4 GB.' %>
-                </div>
-            </div>
-            <div ng-show="new_machineForm.$submitted || new_machineForm.ramsize.$touched">
-                <div ng-show="ramsize" class="alert alert-warning fade in">
-                    <strong><%=l 'Error' %></strong> <%=l 'Ram size must be between 1 and 4 GB.' %>
-                </div>
-            </div> -->
 
                 <div ng-show="new_machineForm.$submitted || new_machineForm.id_iso.$touched">
                     <div ng-show="new_machineForm.id_iso.$error.required" class="alert alert-warning" role="alert">