Harmonize config locations

.gitignore

@@ -10,5 +10,5 @@ target
 out
 .springBeans
 *.rdb
-!eclispe/.checkstyle
-.checkstyle
+.checkstyle
+!etc/eclipse/.checkstyle

etc/eclipse/org.eclipse.jdt.ui.prefs

@@ -59,7 +59,7 @@ cleanup_profile=_Spring Boot Cleanup Conventions
 cleanup_settings_version=2
 eclipse.preferences.version=1
 editor_save_participant_org.eclipse.jdt.ui.postsavelistener.cleanup=true
-formatter_profile=_Spring Boot Java Conventions
+formatter_profile=Spring Session Java Conventions
 formatter_settings_version=12
 org.eclipse.jdt.ui.exception.name=e
 org.eclipse.jdt.ui.gettersetter.use.is=true

gradle/java.gradle

@@ -78,7 +78,7 @@ task integrationTest(type: Test, dependsOn: jar) {
 check.dependsOn integrationTest
 
 checkstyle {
-	configFile = rootProject.file('config/checkstyle/checkstyle.xml')
+	configFile = rootProject.file('etc/checkstyle/checkstyle.xml')
 	configProperties.configDir = configFile.parentFile
 	toolVersion = '6.16.1'
 }