Build shaded jar.
Include joda-time.
Fix duplicate classes by defining scopes, API for compilation, implementation during runtime.
Use joda-time, because SimpleDateFormat is *not threadsafe*.
Coverage with Jacoco
Extract methods and enhance coverage
Relocate shaded dependencies to avoid potential class-loader clashes.
Update README.md

Include instructions for usage in Jenkins.
[maven-release-plugin] prepare release logstash-util-formatter-1.0-unitedinternet-1
[maven-release-plugin] prepare for next development iteration
Remove unused imports.
Fix some checkstyle errors.
Increase coverage
Description: This is not a log4j pattern but a JUL formatter.
Merge pull request #1 from mfriedenhagen/develop

Create shaded jar and introduce joda-time as SimpleDateFormat is not threadsafe