Adds defaultValue to non-body parameters

Renames devaultValue
Fixes failing test caused by model property order
Sets travisci badge to develop_2.0 branch
Merge pull request #746 from adrianbk/build-badge

Sets travisci badge to develop_2.0 branch
Adds code quality checks (test coverage & dependency convergence)
Merge pull request #745 from adrianbk/default-values

Adds defaultValue to non-body parameters
Merge pull request #747 from adrianbk/code-quality

Adds code quality checks (test coverage & dependency convergence)