Added new configstring() method that returns the current configuration.
Cleanup of some code, adding of method to return current config.
Guardian->instance communication cleand up, with terminating character \0
Renamed sendline to sendlines with some comment removal.
Added current-config and other pdns_control options to documentation.
SOA-EDIT: fix INCEPTION-INCREMENT handling
fix version
Remove old test config
no label compression for name in TSIG records
add innodb-read-committed option
Revert "add transaction-isolation=READ-COMMITTED to my.cnf in travis.yml"

This reverts commit 0927a821c21ddf7c1d2aed59b48e47a39db47c26.
Fix false libtool variable: _LIBS -> _LIBADD

_LIBS is not a libtool variable, thus the remotebackend module does not
get linked to libcurl. Fix this by using _LIBADD instead.
Use LUA_CFLAGS and LUA_LIBS instead of hardcoded paths.
Restructure system PolarSSL detection

Based on the chapter "Automatic Dependencies with AC_ARG_WITH" of the
Autotools Mythbuster eBook, fix the system PolarSSL detection and
recognize both --with/without-system-polarssl properly. Furthermore,
set the HAVE_LIBPOLARSSL automake variable conditionally. Otherwise pdns will
use the included headers but link against the system polarssl resulting in
subtle breaks.
Merge pull request #920 from mind04/locking2

add innodb-read-committed option
clarify
Merge pull request #918 from cyclops1982/rfc2136

Remove old test config
Merge pull request #919 from mind04/tsig-name

no label compression for name in TSIG records
Merge branch '429' of github.com:cyclops1982/pdns into cyclops1982-429
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