switch zeroconf from pip instead of copy of old version in Beremiz tree

added md5 for recently added distfiles, more .hgignore in case of in-place build

get gcc runtime lib from where gcc thinks they are

merged forgotten changeset, necessary to build Makefile based targets in Beremiz

stripped unused makefile target and comment

1.2-rc1

create and add file with revision information for Beremiz

clean up trailing whitespaces and wrong indention

fix links to download mingw runtime binaries
Andrey Skvortsov <andrej.skvortzov@gmail.com>
Andrej

use global CROSS_COMPILE prefix to define compilers for matiec and canfestival

matiec is compiled with different compiler than binaries shipped with mingw,
therefore it needs own versions of runtime libraries (libgcc_s_sjlj.dll, libstdc++.dll).
Andrey Skvortsov <andrej.skvortzov@gmail.com>
Andrej

upgrade zope.interface python package to version 4.3.2
Andrey Skvortsov <andrej.skvortzov@gmail.com>
Andrej

upgrade wxglade to version: 0.7.2 (2016-10-21)
Andrey Skvortsov <andrej.skvortzov@gmail.com>
Andrej

fix regexp for md5 files in .hgignore

Added msys' make, bash and coreutils with mingw binaries

Updated MD5 checksum in distfiles

Various updates and enhancement in installer build system, including support for specialized distributions, existing in other branches