Start (re-)joining librpmdb and librpm

- the split is largely arbitrary and mostly just causes, well, arbitrary
  issues and limitations
- just move content from rpmdb/ to lib/ for now

diff --git a/rpmdb/db3.c b/lib/backend/db3.c
similarity index 100%
rename from rpmdb/db3.c
rename to lib/backend/db3.c

diff --git a/rpmdb/dbconfig.c b/lib/backend/dbconfig.c
similarity index 100%
rename from rpmdb/dbconfig.c
rename to lib/backend/dbconfig.c

diff --git a/rpmdb/sqlite.c b/lib/backend/sqlite.c
similarity index 100%
rename from rpmdb/sqlite.c
rename to lib/backend/sqlite.c

diff --git a/rpmdb/fprint.c b/lib/fprint.c
similarity index 100%
rename from rpmdb/fprint.c
rename to lib/fprint.c

diff --git a/rpmdb/fprint.h b/lib/fprint.h
similarity index 100%
rename from rpmdb/fprint.h
rename to lib/fprint.h

diff --git a/rpmdb/gentagtbl.sh b/lib/gentagtbl.sh
similarity index 100%
rename from rpmdb/gentagtbl.sh
rename to lib/gentagtbl.sh

diff --git a/rpmdb/hdrNVR.c b/lib/hdrNVR.c
similarity index 100%
rename from rpmdb/hdrNVR.c
rename to lib/hdrNVR.c

diff --git a/rpmdb/header.c b/lib/header.c
similarity index 100%
rename from rpmdb/header.c
rename to lib/header.c

diff --git a/rpmdb/header.h b/lib/header.h
similarity index 100%
rename from rpmdb/header.h
rename to lib/header.h

diff --git a/rpmdb/header_internal.c b/lib/header_internal.c
similarity index 100%
rename from rpmdb/header_internal.c
rename to lib/header_internal.c

diff --git a/rpmdb/header_internal.h b/lib/header_internal.h
similarity index 100%
rename from rpmdb/header_internal.h
rename to lib/header_internal.h

diff --git a/rpmdb/merge.c b/lib/merge.c
similarity index 100%
rename from rpmdb/merge.c
rename to lib/merge.c

diff --git a/rpmdb/poptDB.c b/lib/poptDB.c
similarity index 100%
rename from rpmdb/poptDB.c
rename to lib/poptDB.c

diff --git a/rpmdb/rpmdb.c b/lib/rpmdb.c
similarity index 100%
rename from rpmdb/rpmdb.c
rename to lib/rpmdb.c

diff --git a/rpmdb/rpmdb.h b/lib/rpmdb.h
similarity index 100%
rename from rpmdb/rpmdb.h
rename to lib/rpmdb.h

diff --git a/rpmdb/rpmdb_internal.h b/lib/rpmdb_internal.h
similarity index 100%
rename from rpmdb/rpmdb_internal.h
rename to lib/rpmdb_internal.h

diff --git a/rpmdb/rpmhash.c b/lib/rpmhash.c
similarity index 100%
rename from rpmdb/rpmhash.c
rename to lib/rpmhash.c

diff --git a/rpmdb/rpmhash.h b/lib/rpmhash.h
similarity index 100%
rename from rpmdb/rpmhash.h
rename to lib/rpmhash.h

diff --git a/rpmdb/rpmints.h.in b/lib/rpmints.h.in
similarity index 100%
rename from rpmdb/rpmints.h.in
rename to lib/rpmints.h.in

diff --git a/rpmdb/tagname.c b/lib/tagname.c
similarity index 100%
rename from rpmdb/tagname.c
rename to lib/tagname.c