moved the CoverageCalculator class to dialog package
added helper function for getting grayed elements
CalculateCoverage dialog initialized with current selection in the test
cases viewer
Merge branch 'dev-expected_value_constraining' of
https://github.com/testify-no/ecFeed.git into
dev-expected_value_constraining

Conflicts:
	ecfeed/src/com/testify/ecfeed/ui/dialogs/CalculateCoverageDialog.java