Issue #133: upgrade to checkstyle 8.5

Author: romani

README.md

@@ -14,6 +14,7 @@ This plugin provides coding rules from [Checkstyle](http://checkstyle.sourceforg
 
 Checkstyle Plugin|Sonar|Checkstyle|Jdk
 -----------------|-----|----------|---
+4.5|5.6.6|8.5|1.8
 4.4|5.6.6|8.4|1.8
 4.3|5.6.6|8.3|1.8
 4.2|5.6.6|8.2|1.8

checkstyle-sonar-plugin/config/checkstyle.properties

@@ -2,3 +2,4 @@ checkstyle.suppressions.file=checkstyle-sonar-plugin/config/suppressions.xml
 checkstyle.header.file=checkstyle-sonar-plugin/config/java.header
 checkstyle.regexp.header.file=checkstyle-sonar-plugin/config/java_regexp.header
 checkstyle.importcontrol.file=checkstyle-sonar-plugin/config/import-control.xml
+checkstyle.importcontroltest.file=checkstyle-sonar-plugin/config/import-control-test.xml

checkstyle-sonar-plugin/config/import-control-test.xml

@@ -0,0 +1,12 @@
+<?xml version="1.0"?>
+<!DOCTYPE import-control PUBLIC
+    "-//Puppy Crawl//DTD Import Control 1.3//EN"
+    "http://checkstyle.sourceforge.net/dtds/import_control_1_3.dtd">
+
+<import-control pkg="org.sonar.plugins.checkstyle">
+
+  <allow pkg=".*" regex="true" />
+
+  <disallow pkg="junit.framework" />
+
+</import-control>

pom.xml

@@ -85,7 +85,7 @@
   </ciManagement>
 
   <properties>
-    <checkstyle.version>8.4</checkstyle.version>
+    <checkstyle.version>8.5</checkstyle.version>
     <sonar.version>5.6.6</sonar.version>
     <sonar-java.version>3.7</sonar-java.version>
     <java.version>1.8</java.version>