Refactor util and common
* src/Makefile.am: Update accordingly. * src/common.c: Reduced to platform depentent common code. * src/common.h: Add util stuff. Include platform indep. * src/gpgolstr.cpp, src/engine-assuan.c, src/gpgoladdin.cpp, src/mimedataprovider.cpp, src/mlang-charset.h, src/msgcache.h, src/parsecontroller.h, src/ribbon-callbacks.cpp, src/windowmessages.cpp: Update accordingly. * src/mapihelp.h: Include oomhelp to avoid indrection. * src/util.h: Removed. * src/common_indep.h, src/common_indep.cpp: New.
Platform independent parts of util and common now live in
common_indep.h and common_indep.cpp. Util has been removed
as it basically was another name for common.