Remove dead code.


git-svn-id: https://root.cern.ch/svn/root/trunk@49296 27541ba8-7e3a-0410-8455-c3a389f83636
special files needed to make an epub.


git-svn-id: https://root.cern.ch/svn/root/trunk@49297 27541ba8-7e3a-0410-8455-c3a389f83636
enclose with <style> </style> tags so the css can be included using the 
pandoc -H option.


git-svn-id: https://root.cern.ch/svn/root/trunk@49298 27541ba8-7e3a-0410-8455-c3a389f83636
add epub option.


git-svn-id: https://root.cern.ch/svn/root/trunk@49299 27541ba8-7e3a-0410-8455-c3a389f83636
ignore generated primer.pdf, .tex, .html, .epub files.


git-svn-id: https://root.cern.ch/svn/root/trunk@49300 27541ba8-7e3a-0410-8455-c3a389f83636