Create Rollout UI with Groups definition (#369)

* Rollout creation UI with groups definition

Signed-off-by: Dominik Herbst <dominik.herbst@bosch-si.com>

* Improved code quality

Signed-off-by: Dominik Herbst <dominik.herbst@bosch-si.com>

* Added a legend to the Rollouts Creation UI's PieChart

Signed-off-by: Dominik Herbst <dominik.herbst@bosch-si.com>

* Updated color palette for pie chart. Using RolloutGroupCreate for validation. Displaying pie chart for group editing.

Signed-off-by: Dominik Herbst <dominik.herbst@bosch-si.com>

* Optimized ComboBoxBuilder

Signed-off-by: Dominik Herbst <dominik.herbst@bosch-si.com>

* Removed not necessary RPC interfaces.

Signed-off-by: Dominik Herbst <dominik.herbst@bosch-si.com>

* Fix Rollout verification count query. Improved UI style. Added dependency management for d3.

Signed-off-by: Dominik Herbst <dominik.herbst@bosch-si.com>

* Auto start and scheduled start of Rollouts

Signed-off-by: Dominik Herbst <dominik.herbst@bosch-si.com>

* Optimized RSQL Utility to avoid multiple joins on the same table.

Signed-off-by: Dominik Herbst <dominik.herbst@bosch-si.com>

* Fixed RSQL Utility to avoid multiple joins on the same table to only work with OR nodes. Optimized validation queries for rollout group creation.

Signed-off-by: Dominik Herbst <dominik.herbst@bosch-si.com>

* Asynchronous handling of groups validation in the create rollouts UI.

Signed-off-by: Dominik Herbst <dominik.herbst@bosch-si.com>

* Added loading indicator to create rollout UI.

Signed-off-by: Dominik Herbst <dominik.herbst@bosch-si.com>

* Avoid parallel validation for a user session.

Signed-off-by: Dominik Herbst <dominik.herbst@bosch-si.com>

* Fix issues after merge of master into branch.

Signed-off-by: Dominik Herbst <dominik.herbst@bosch-si.com>

* Improve code quality

Signed-off-by: Dominik Herbst <dominik.herbst@bosch-si.com>

* Refreshing the total target count after validation on the rollouts creation UI.

Signed-off-by: Dominik Herbst <dominik.herbst@bosch-si.com>

* Remove unused RolloutUpdate method. Optimization of the RolloutHelper.
Comments for RolloutGroupsValidation and RSQLUtility with explanation.

Signed-off-by: Dominik Herbst <dominik.herbst@bosch-si.com>

pom.xml

@@ -539,6 +539,17 @@
             <artifactId>jlorem</artifactId>
             <version>${jlorem.version}</version>
          </dependency>
+         <dependency>
+            <groupId>com.github.gwtd3</groupId>
+            <artifactId>gwt-d3-api</artifactId>
+            <version>1.2.0</version>
+            <exclusions>
+               <exclusion>
+                  <groupId>com.google.gwt</groupId>
+                  <artifactId>gwt-user</artifactId>
+               </exclusion>
+            </exclusions>
+         </dependency>
          <!-- Spring -->
          <dependency>
             <groupId>org.springframework.cloud</groupId>