various clean-ups and optimisations by Olaf Hering bug 4752, 'Adjust incorrect debug_printf call in pgp plugins' bug 4757, 'remove AX_FUNC_MKDIR' bug 4758, 'remove unused check for bind_textdomain_codeset' bug 4759, 'remove unused function checks from AC_CHECK_FUNCS' bug 4760, 'use correct type for move_bar_id' bug 4768, 'Adjust logic while evaluating enable_avatars' bug 4770, 'remove intl from list of include directories'
Clean up plugin build files for Windows Drop explicit .def files and rely on linker auto-import/export Move boilerplate to common automake include fragments
fix bug 4517, 'Thread safety issues in signature checking code' Move from using raw pthreads to GLib tasks for safety and convenience. Also includes some extra fixes for leaked gpgme keys and contexts.