Build with sqlite3 support
Use Boost macros from autoconf-archive

Imported from upstream commit 5abd4cfbe611

This speeds up ./configure a lot on my system

time ./configure --enable-unit-tests --with-modules='remote' \
--with-dynmodules='' --disable-silent-rules \
--disable-dependency-tracking --enable-tools >/dev/null

Before:
real	0m30.989s
user	0m18.538s
sys	0m12.078s

After:
real	0m5.373s
user	0m3.073s
sys	0m2.529s

Fixes #890
Merge pull request #1994 from rubenk/add-sqlite3-to-travis

Build with sqlite3 support
replace dots in hostname by underscores for carbon reporting, and document this.
Define _GNU_SOURCE in config.h

Instead of passing it on the command line
Add Debian 3.4.1-4
Merge pull request #2000 from rubenk/define-gnu-source-in-configure-ac

Define _GNU_SOURCE in config.h
Add BOOST_LDFLAGS to LDFLAGS

Fixes building on FreeBSD
address #2002 differently. Closes #2002.
Merge pull request #1996 from rubenk/use-boost-autoarchive-macros

Use Boost macros from autoconf-archive
add \n to error output on delete-zone
Merge pull request #2001 from zeha/debian-versions

secpoll: Add Debian 3.4.1-4
add create-zone, load-zone and list-zone to pdnssec
Merge branch 'master' of github.com:PowerDNS/pdns
Port manpages to MarkDown and use autotools

Shout out to @rubenk for helping with autotools.

 * Add disable-dnssec to pdnssec docs (closes #641)
 * Make manpages consistent with eachother
 * Expanded missing options
 * Removed old manpages
 * Added --with-docs and --with-manpages configure switches
Build manpages and docs in travis.
Fix "make dist"