CRM-2182: Broken upgrade builds with test exceptions
    - fix unit tests on travis
Merge pull request #1345 from laboro/fix/travis_ci_tests

CRM-2182: Broken upgrade builds with test exceptions
CRM-2333: Add subtotal amount on order view page
CRM-2182: Broken upgrade builds with test exceptions
- drop configs
CRM-2182: Broken upgrade builds with test exceptions
- installer covers migration
Merge pull request #1349 from laboro/fix/CRM-2182

CRM-2182: Broken upgrade builds with test exceptions
Merge pull request #1348 from laboro/bug/CRM-2333

CRM-2333: Add subtotal amount on order view page
Merge remote-tracking branch 'remotes/origin/master' into 1.5