Enable Travis CI integration

[bajtos]

No description provided.

[bajtos]

We need to land #382 first to fix the build.

[emonddr]

What is causing these Jenkins failures? And the Travis failure?

[bajtos]

What is causing these Jenkins failures? And the Travis failure?

@emonddr see my comment above:

We need to land #382 first to fix the build.

[bajtos]

[cis-jenkins] x64 && linux && nvm && dbs,10 — Failed! (023d66e)

This test failure is unrelated to my changes. I am going to ignore it and proceed to land this PR.

1) autoupdate
     foreign key constraint
       should create, update, and delete foreign keys:
   error: duplicate key value violates unique constraint "pg_namespace_nspname_index" (while running initial autoupdate)
    at Connection.parseE (node_modules/pg/lib/connection.js:602:11)
    at Connection.parseMessage (node_modules/pg/lib/connection.js:399:19)
    at Socket.<anonymous> (node_modules/pg/lib/connection.js:121:22)
    at addChunk (_stream_readable.js:288:12)
    at readableAddChunk (_stream_readable.js:269:11)
    at Socket.Readable.push (_stream_readable.js:224:10)
    at TCP.onStreamRead [as onread] (internal/stream_base_commons.js:94:17)