[Ada] changed default project/package name, to solve circular depende…

…ncies (#7550)

* Ada generator generates "=>" (correct syntax) instead of "->". Fixes #7450

* Updated the Ada petstore samples

* Committing "VERSION" file and the rest of the petstore samples

* Changed default project name and package name for Ada, not to have circular dependencies between gpr files.

modules/swagger-codegen/src/main/java/io/swagger/codegen/languages/AbstractAdaCodegen.java

@@ -14,8 +14,8 @@
 import java.util.*;
 
 abstract public class AbstractAdaCodegen extends DefaultCodegen implements CodegenConfig {
-    protected String packageName = "swagger";
-    protected String projectName = "Swagger";
+    protected String packageName = "defaultPackage";
+    protected String projectName = "defaultProject";
     protected List<Map<String, Object>> orderedModels;
     protected Map<String, List<String>> modelDepends;
     protected Map<String, String> nullableTypeMapping;