BAEL-137 Intro do JHipster (#1427)

* refactor: Reorder tests without lambda

Moves inner implementations of Answer and ArgumentMatcher to the top of
the test classes.
Also changes the lambda expression to a regular "pre java 8" expression
in one of the tests.

Resolves: BAEL-632

* feat: Create basic Monolithic JHipster project

Commit just after creating a JHipster project, before making any modifications.

Resolves: BAEL-137

* chore: Change the artifactId and name of the project

From baeldung to jhipster-monolithic and JHipster Monolithic Application

Relates to: BAEL-137

* feat: Create entities Post and Comment

Relates to: BAEL-137

* feat: Fix Gatling configuration in pom.xml

Relates to: BAEL-137

* feat: Add files for Continuous Integration

Relates to: BAEL-137

* feat: Change pom.xml to conform to Baeldung standards

- moved the <properties> element to the bottom of the file
- excluded integration tests in the default surefire configuration
- added a new profile, called integration, and added the integration tests there
- added Java 8 in the <source> and <target> tags, under maven-compiler

solves: BAEL-137

* chore: Add jhipster module to parent pom

jhipster/src/main/java/com/baeldung/config/ApplicationProperties.java

@@ -0,0 +1,15 @@
+package com.baeldung.config;
+
+import org.springframework.boot.context.properties.ConfigurationProperties;
+
+/**
+ * Properties specific to JHipster.
+ *
+ * <p>
+ *     Properties are configured in the application.yml file.
+ * </p>
+ */
+@ConfigurationProperties(prefix = "application", ignoreUnknownFields = false)
+public class ApplicationProperties {
+
+}