Selenium Tests: added a new test that checks whether a course is added
Selenium Tests: added a new test that looks for the student, and then edit its name
Selenium Tests: add Select Instructor test and AddAndDeleteCourse test
Selenium Tests: added some new tests
MyUniversity Selenium Tests: added classes with pages to the unit tests, fixes some of tests with new selectors
Merge branch 'master' into Functional_tests

Conflicts:
	MyUniversity.Domain/MyUniversity.Domain.csproj
Functional tests: fix bug with runing all tests; delete close driver method