Update autoconf to 2.69.
Merge pull request #560 from pyhalov/autoconf

Update autoconf to 2.69.
fix autoconf build
Merge pull request #561 from pyhalov/autoconf

fix autoconf build
Update help2man to 1.45.1
Merge pull request #562 from pyhalov/help2man

Update help2man to 1.45.1
Add gtk-doc from JDS
Merge pull request #563 from pyhalov/gtk-doc

Add gtk-doc from JDS
Update and enable quilt
Merge pull request #564 from pyhalov/quilt

Update and enable quilt
Update patch to 2.7.1