- Add patch source-patgen.dif to enhance upper size limit of
arrays in patgen as mentioned at texlive@tug.org

- Switch over to TeXLive 2018 final 20180414

- Add patches
* source-m-tx-0.63a-buffer-overflow.dif
* source-synctex-bump-soname.dif as the API had changed and the
major version 1 does not fix anymore
* source-fix-synctex-missing-header-install.dif
* source-lua-poppler0640.dif
* source-synctex-bump-soname.dif

- Skip patch source-lcdf-typetools.dif as now upstream (boo#1087075)

- First initial snapshot of TeXLive pre 2018
- Port patches
* biber-certs.dif
* source-64.dif
* source-a2ping.dif
* source-configure.dif
* source-dviutils.dif
* source-overflow.dif
* source-warns.dif
* source.dif
- Removed patches now upstream
* texlive-20170524-source-poppler059-1.patch
* source-poppler-0.59.1.dif
* source-luatex.dif
* source-maxpath.dif