print error on null values in cal pdf
[maven-release-plugin] prepare release releases/2.0.1-20130819-1021
[maven-release-plugin] prepare for next development iteration
log4j on error
[maven-release-plugin] prepare release releases/2.0.2-20130819-1034
[maven-release-plugin] prepare for next development iteration
fix fonts
[maven-release-plugin] prepare release releases/2.0.3-20130819-1043
[maven-release-plugin] prepare for next development iteration