BAEL-8963 Fix surefire configs of springresttomcat, roo, spring-swagger, vertx, twilio and twitter4j projects

- Fixed surefire configs and basic pom standardization

spring-swagger-codegen/pom.xml

@@ -1,7 +1,6 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
-    <groupId>com.baeldung</groupId>
     <artifactId>spring-swagger-codegen</artifactId>
     <version>0.0.1-SNAPSHOT</version>
     <packaging>pom</packaging>

spring-swagger-codegen/spring-swagger-codegen-api-client/pom.xml

@@ -38,23 +38,6 @@
 
     <build>
         <plugins>
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-surefire-plugin</artifactId>
-                <version>${maven-surefire-plugin.version}</version>
-                <configuration>
-                    <systemProperties>
-                        <property>
-                            <name>loggerPath</name>
-                            <value>conf/log4j.properties</value>
-                        </property>
-                    </systemProperties>
-                    <argLine>-Xms512m -Xmx1500m</argLine>
-                    <parallel>methods</parallel>
-                    <forkMode>pertest</forkMode>
-                </configuration>
-            </plugin>
-
             <!-- attach test jar -->
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>

spring-swagger-codegen/spring-swagger-codegen-app/pom.xml

@@ -1,11 +1,8 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
-
-    <groupId>com.baeldung</groupId>
     <artifactId>spring-swagger-codegen-app</artifactId>
-    <version>0.0.1-SNAPSHOT</version>
-	
+    
     <parent>
         <groupId>com.baeldung</groupId>
         <artifactId>spring-swagger-codegen</artifactId>
@@ -37,7 +34,6 @@
     </build>
 
     <properties>
-        <java.version>1.8</java.version>
         <spring-swagger-codegen-api-client.version>0.0.1-SNAPSHOT</spring-swagger-codegen-api-client.version>
 		<spring.version>1.5.10.RELEASE</spring.version>
     </properties>