Polish CLI init command

Rename a few classes and methods and extract some logic into helper
classes. Also change 2 char shortcuts to a single char.

Closes gh-1751

spring-boot-dependencies/pom.xml

@@ -89,7 +89,6 @@
 		<jersey.version>2.13</jersey.version>
 		<joda-time.version>2.4</joda-time.version>
 		<jolokia.version>1.2.2</jolokia.version>
-		<json.version>20140107</json.version>
 		<json-path.version>0.9.1</json-path.version>
 		<jstl.version>1.2</jstl.version>
 		<junit.version>4.11</junit.version>
@@ -986,11 +985,6 @@
 				<artifactId>jdom2</artifactId>
 				<version>${jdom2.version}</version>
 			</dependency>
-			<dependency>
-				<groupId>org.json</groupId>
-				<artifactId>json</artifactId>
-				<version>${json.version}</version>
-			</dependency>
 			<dependency>
 				<groupId>org.liquibase</groupId>
 				<artifactId>liquibase-core</artifactId>
@@ -1504,4 +1498,4 @@
 			<id>integration-test</id>
 		</profile>
 	</profiles>
-</project>
+</project>