Do not fetch private submodules in travis ci
Merge pull request #15 from finnishtransportagency/fix-ci-for-submodule

Do not fetch private submodules in travis ci
Initial FeatureProvider interface.
Move DB connection pool to oracle module, placeholder for FeatureProvider initialization
Merge branch 'feature_provider' of github.com:finnishtransportagency/digiroad2 into feature_provider