Add a shim implementing half-assed versions of most of the GLib
functions used by MDB Tools. If GLib is detected at compile-time,
use it, otherwise use the shim.
This work is not complete, as the option-parsing code is not yet
implemented - so most of the command-line tools crash.
mdbprivate is.... private.
mdbodbc.h has no reason to be public: People who want to use the plugin
should use the public odbc.h headers. And having this private will permit
hdbc cleanup.
make gmdb2 version match mainline code
new dissector for jet4 tdef pages in gmdb2
gmdb2 right mouse click behaviour bugfix
pre-compute index page bitmap in mdb_index_unpack_page() in preparation for index writes.
