Merge branch '87-quality-improvment' into 'develop'

Makefile

...tail/components/spectra-graph/spectra-graph.component.css

src/app/detail/store/detail.action.spec.ts

src/app/detail/store/detail.action.ts

src/app/detail/store/detail.reducer.spec.ts

src/app/detail/store/detail.reducer.ts

src/app/detail/store/detail.selector.spec.ts

src/app/login/store/login.action.spec.ts

src/app/login/store/login.action.ts

src/app/login/store/login.reducer.spec.ts

src/app/login/store/login.reducer.ts

src/app/login/store/login.selector.spec.ts

src/app/metamodel/action/attribute.action.spec.ts

src/app/metamodel/action/attribute.action.ts

src/app/metamodel/action/criteria.action.spec.ts

src/app/metamodel/action/criteria.action.ts

src/app/metamodel/action/dataset.action.spec.ts

src/app/metamodel/action/dataset.action.ts

src/app/metamodel/action/output.action.spec.ts

src/app/metamodel/action/output.action.ts