homo_sapiens/patch/transcript.txt: SQLite does not like header.
exon.t: ignore 'datatype mismatch' bind errors on floating point for SQLite.
dbEntries.t: correct offset in SQLite auto-increment munging.
Update SQLite test DBs for splicing_event table and friends.
circ/core/external_db.txt: SQLite does not cope with embedded CRs.
travis.yml: add DB=sqlite to env matrix.
Travis: set up SQLite config; fix matrix.
Travis: install DBD::SQLite.
harness.sh: skip some tests under SQLite.
Allow transcript.txt to load under SQLite.

Repeat \N's upset the unique index on canonical_translation_id.
harness.sh: skip dbConnection.t under SQLite, as it dies mysteriously on travis.
Merge pull request #7 from Anacode/mg13/travis-sqlite

Travis CI for SQLite