- Add both texlive.infra and texlive.infra.doc as these provides
some perl module files used by fmtutil.pl

- Also enforce fmtutil.pl to use FHS as then it will find mktexlsr.pl
boo#965151
- Make sure that mktexlsr.pl knows about mktex group

- Fix bug boo#965151 that is wrong perl syntax

- Update to TeXLive 2015 (timestamp 20150521 revision 26946)
* Allow boot strapping by adding BuildIgnore for texlive
* Modify kpathsea_cnf.dif
* Remove leipzig.moves
* Modify luaotfload_varfonts.dif
* Modify musixtex_various.dif
* Modify tetex_scripts.dif
* Modify tex4ht_env.dif
* Modify texconfig_scripts.dif