Rename package org.apache.logging.log4j.core.helpers to org.apache.logging.log4j.core.util because we use the "util" package name in the log4j-api module. Let's call our util packages the same thing across modules.

git-svn-id: https://svn.apache.org/repos/asf/logging/log4j/log4j2/trunk@1594342 13f79535-47bb-0310-9956-ffa450edef68
Refactor magic string into a constant.

git-svn-id: https://svn.apache.org/repos/asf/logging/log4j/log4j2/trunk@1594347 13f79535-47bb-0310-9956-ffa450edef68
Refactor magic string into a constant.

git-svn-id: https://svn.apache.org/repos/asf/logging/log4j/log4j2/trunk@1594348 13f79535-47bb-0310-9956-ffa450edef68
Refactor magic string into a constant.

git-svn-id: https://svn.apache.org/repos/asf/logging/log4j/log4j2/trunk@1594349 13f79535-47bb-0310-9956-ffa450edef68
Refactor magic string into a constant.

git-svn-id: https://svn.apache.org/repos/asf/logging/log4j/log4j2/trunk@1594351 13f79535-47bb-0310-9956-ffa450edef68
Refactor magic string into a constant. Oops created sanity test in the wrong module.

git-svn-id: https://svn.apache.org/repos/asf/logging/log4j/log4j2/trunk@1594355 13f79535-47bb-0310-9956-ffa450edef68
Fix typo in lvar name.

git-svn-id: https://svn.apache.org/repos/asf/logging/log4j/log4j2/trunk@1594364 13f79535-47bb-0310-9956-ffa450edef68
Refactor magic string into a constant. Forgot to fix imports, so reorg all imports.

git-svn-id: https://svn.apache.org/repos/asf/logging/log4j/log4j2/trunk@1594367 13f79535-47bb-0310-9956-ffa450edef68
Rename org.apache.logging.log4j.core.util.Constants.LINE_SEP to LINE_SEPARATOR

git-svn-id: https://svn.apache.org/repos/asf/logging/log4j/log4j2/trunk@1594370 13f79535-47bb-0310-9956-ffa450edef68
Make util classes final.

git-svn-id: https://svn.apache.org/repos/asf/logging/log4j/log4j2/trunk@1594372 13f79535-47bb-0310-9956-ffa450edef68