(PDB-594) Ensure libsqlite3-dev is installed

We need libsqlite3-dev on debian boxes to compile the sqlite3 gem.

Signed-off-by: Ken Barber <ken@bob.sh>
Merge pull request #938 from kbarber/maint/1.6.x/install-sqlite3-dev

(PDB-594) Ensure libsqlite3-dev is installed