Automapper for TestPlan-TestPlanVM

Added on Infrastructure the Map creation for both ways:
TestPlan-TestPlanVMand TestPlanVM-TestPlan.

Partial view _List now uses an IList<TestPlanVM> instead an
TestPlanListVM (file deleted).

Removed unused imports where possible.
Merge branch 'master' of https://github.com/rochimensi/test-track