Update to log4j2 2.0
Update gitignore
Update to log4j2 2.0
Update gitignore
Update gitignore
Minor code changes.
Upgrade log4j to latest stable version.
Upgrade log4j to latest stable version.
Prepare release 1.2.3
Prepare release 1.2.3
Merge branch 'trunk'

Conflicts:
	README.md
	pom.xml
Merge remote-tracking branch 'origin/master'