Fixed the next execution trigger test for January

closes #310
Fixed Removed the DoubleCheckedLocking rule which is no longer supported
POM cleanup and upgrad of plugin versions across the board
Merge remote-tracking branch 'origin/develop' into develop
Add first version of README

Especially for users visiting the Weblounge code base on GitHub
the README file is an important starting point which should
contain the most important information about the project.