Using macros to log

inc/lektor/macro.h

src/cmd.c

src/commands.c

src/common.c

src/config.c

src/database/find.c

src/database/queue.c

src/database/update.c

src/main/lkt.c

src/main/lktadm.c

src/main/server.c

src/mkv/write.c

src/module/mpv.c

src/mthread/mthread_cond.c

src/net/command.c

src/net/listen.c

src/repo/async.c

src/repo/curl.c

src/thread.c