Link CBuildConfig and CVersion into static library blackconfig

CBuildConfig including private keys etc. should not be part of a
public library API. Therefore link it into a static library, which
is not available to end users.

refs #645

src/blackmisc/blackmisc.pro

@@ -4,17 +4,12 @@ QT       += network dbus xml
 
 TARGET = blackmisc
 TEMPLATE = lib
-CONFIG += c++11
+CONFIG += blackconfig
 
 contains(BLACK_CONFIG, Static) {
     CONFIG += staticlib
 }
 
-buildconfig.input = buildconfig.cpp.in
-buildconfig.output = $$DestRoot/buildconfig_gen.cpp
-GENERATED_SOURCES += $$DestRoot/buildconfig_gen.cpp
-QMAKE_SUBSTITUTES += buildconfig
-
 INCLUDEPATH += ..
 # DEPENDPATH += . .. // BlackMisc should be independent
 # PRECOMPILED_HEADER = stdpch.h