make padaf compatible with PDFBox 1.6.0

fixed some errors

removed jdk15 modules

Eric Patch on

TJ problem
\n problem
forgotten debug

[maven-release-plugin] copy for tag padaf-0.6.1

[maven-release-plugin] copy for tag padaf-0.6.0

201012 version

[maven-release-plugin] prepare release pdfa-root-0.5.1

[maven-release-plugin] prepare release pdfa-root-0.5.1

new working version