Spelling fix

Suppress has 2 p in English, thanks lintian.
Introduce MDB_BACKEND_* enum
Add MySQL support to mdb_print_indexes()
README update: mdb-dump is in extra

Thanks scottfurry
Closes github issue #50
Segfault fix on memo zero length multiple page

While converting memo field to string, stop processing on zero length multiple
page.
Fix binary outout

Closes issue #44
remove unneeded headers
Merge pull request #59 from paulfitz/prune-headers

remove unneeded headers
autoconf graciously fail on missing pkg-config
Using iodbc-config --cflags --libs to get config
Normalise configure.ac help messages
fix ENABLE_SK undefined, autoconf summary
Introduce MDB_BACKEND_* enum
Add MySQL support to mdb_print_indexes()
Fix for dates in mdb-props
Added bash-completion and desktop files in dist/
Revert previous commit

Files where already there