Fix: mantain submitted state on field change, add novalidate to form

Author: Diego Rodríguez

src/Form.js

@@ -148,8 +148,7 @@ class Form extends Component {
         this.setStateInternal({
             dirty: areDirty,
             errors: this.validate(config, allFields, areDirty),
-            fields: allFields,
-            submitted: false,
+            fields: allFields
         });
     };
 
@@ -312,6 +311,7 @@ class Form extends Component {
                 onChange={this.onChange}
                 onSubmit={this.onSubmit}
                 onReset={this.onReset}
+                novalidate
             >
                 <FormProvider value={formContext}>{children}</FormProvider>
             </form>