Add Travis config and don't run tests that require credentials
Squashed commit of the following:

commit 03490ed2810b4bd7c036643fae11f1b4b04d7cb2
Author: Bob Silverberg <bob.silverberg@gmail.com>
Date:   Mon Dec 9 14:41:10 2013 -0500

    Fixing up the final PR

commit 539b902644b405a6c5000335edc99a678eab86c4
Merge: 06c4f5c c87e318
Author: jacekokrojek <jacek.okrojek@gmail.com>
Date:   Sun Dec 8 14:40:42 2013 +0100

    Merge remote-tracking branch 'upstream/master' into redesign

commit 06c4f5c1fa5e5c785e26a124d41d1bae1d54d251
Author: jacekokrojek <jacek.okrojek@gmail.com>
Date:   Sun Dec 8 14:29:33 2013 +0100

    Update after AnderiH comments

commit cafa1665e3c3da3f389dd8d7983219c0c000f60d
Merge: 14c14ae 8af740a
Author: jacekokrojek <jacek.okrojek@gmail.com>
Date:   Tue Nov 26 22:37:41 2013 +0100

    Merge branch 'redesign' of https://github.com/jacekokrojek/mdn-tests into redesign

commit 14c14ae3731a0355e9fd3a7e94db32ebe10a26a2
Author: jacekokrojek <jacek.okrojek@gmail.com>
Date:   Fri Nov 15 22:09:16 2013 +0100

    Initial commit

    Updates to test_learning.py test
    - locators in base.py file updated
    - check for logo in footer part removed

    Email and name removed from credential file

commit 8af740a05011d685541ec4a943961d79570c8b8f
Author: jacekokrojek <jacek.okrojek@gmail.com>
Date:   Fri Nov 15 23:15:27 2013 +0100

    Email and name removed from credential file

commit 1634b4b085aca0c36b33bf3eb1e934adc57a941a
Author: jacekokrojek <jacek.okrojek@gmail.com>
Date:   Fri Nov 15 23:08:06 2013 +0100

    Updates to test_learning.py test
    - locators in base.py file updated
    - check for logo in footer part removed

commit 6edde23a9c18335a50a04dd5afeeeee9985ccaae
Author: jacekokrojek <jacek.okrojek@gmail.com>
Date:   Fri Nov 15 22:09:16 2013 +0100

    Initial commit

commit c87e3186b450b2ad90f7d0a158458dcf5659f084
Merge: 3447395 e06361a
Author: Bob Silverberg <bob.silverberg@gmail.com>
Date:   Wed Nov 13 06:28:41 2013 -0800

    Merge pull request #57 from bobsilverberg/travis

    Add Travis config and don't run tests that require credentials

commit e06361a93ab577c83b532f2edfaccd2522a2c611
Author: Bob Silverberg <bob.silverberg@gmail.com>
Date:   Wed Nov 13 08:32:36 2013 -0500

    Add Travis config and don't run tests that require credentials
Update base.py for changes in login locators for redesign
Merge pull request #64 from bobsilverberg/sign_in

Update base.py for changes in login locators for redesign
Merge pull request #65 from mozilla/redesign

Merge the redesign branch into master, as the redesign is now live