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