2013-11-27: starting release 0.98.1
2014-01-10: tagging the 2013/2014 chang
Merge branch 'integration' into kreincke
2014-01-10: switch to pdflatex generation
Merge branch 'integration' into kreincke
2014-01-14:
* supressing the annotations of the literature
* improved Makefile
* presentations only in gh-pages
2014-01-13: merging kreincke into integration