Add README.Debian file to mongodb-server.

Closes: #705054
Signed-off-by: Rogério Brito <rbrito@ime.usp.br>
debian/control: Augment descriptions of packages.

Signed-off-by: Rogério Brito <rbrito@ime.usp.br>
Add bsondump to the clients package.

Closes: #679018
Signed-off-by: Rogério Brito <rbrito@ime.usp.br>
Add newer/more clients to the mongodb-clients package.

Signed-off-by: Rogério Brito <rbrito@ime.usp.br>
Remove unused lintian overrides.

Closes: #705060
Signed-off-by: Rogério Brito <rbrito@ime.usp.br>