Include include directory

No need to specify all the files in it manually.
ChangeLog is distributed by default
now that we dist bz2, stop disting gzip, thanks @zeha
Replace autoconf variables with make variables

This has the nice advantage that you can override those
variables at make time instead of configure time.
change rawhide testbuild to .bz2
Merge pull request #1605 from mind04/testbuild

change rawhide testbuild to .bz2
remove --enable-remotebackend-http from testbuild
Merge pull request #1606 from mind04/testbuild

remove --enable-remotebackend-http from testbuild
Merge pull request #1600 from rubenk/polarssl-simplify-makefile

Polarssl simplify makefile
Ignore .tar.bz2
Require Automake 1.11 or newer
Merge pull request #1601 from rubenk/set-minimum-required-automake-version

Require Automake 1.11 or newer
Merge pull request #1610 from rubenk/ignore-bz2

Ignore .tar.bz2
Merge pull request #1609 from rubenk/replace-autoconf-variables-with-make-variables

Replace autoconf variables with make variables
Don't link to zlib

The bindbackend dropped support for
compressed zones in 2007
add kind column to mysql index on domainmetadata
Merge pull request #1616 from mind04/test123

add kind column to mysql index on domainmetadata
Merge pull request #1615 from rubenk/remove-zlib

Don't link to zlib