Fix TeXing xetex.web

Remove duplicated definitions in xewebmac.tex that causes an empty first
page for some reason, and load webmac.tex instead.
libs/freetype2: Backport patch from git repository

git-svn-id: svn://tug.org/texlive/trunk/Build/source@29454 c570f23f-e606-0410-a88d-b1316a301751
Rename texk/bibtex8 => texk/bibtex-x

git-svn-id: svn://tug.org/texlive/trunk/Build/source@29433 c570f23f-e606-0410-a88d-b1316a301751
Merge texk/bibtex8/ into texk/bibtex-x/.

git-svn-id: svn://tug.org/texlive/trunk/Build/source@29434 c570f23f-e606-0410-a88d-b1316a301751
poppler 0.22.2

git-svn-id: svn://tug.org/texlive/trunk/Build/source@29353 c570f23f-e606-0410-a88d-b1316a301751