Edited Issue: Segment parser should not consider return type of a bound action for figuring out entity set. [596]

NOTE: This is a different issue probably due to the same root cause as of issue #595.

Expected: segment entityset should be "Customers"
Actual: segment entityset is "SalesPeople"

I used the ODataPathParserTests for this scenario.

Definition:
-----------
builder.Entity<Customer>().Action("GetSalesPeople").ReturnsCollectionFromEntitySet<SalesPerson>("SalesPeople");

Test:
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[Fact]
public void CanParseActionBoundToEntitySegment()
{
// Arrange
string testUrl = "http://myservice/Customers(112)/GetSalesPeople";
string expectedText = "GetSalesPeople";
IEdmFunctionImport expectedEdmElement = GetModel().EntityContainers().First().FunctionImports().SingleOrDefault(p => p.Name == "GetSalesPeople");
IEdmEntitySet expectedSet = GetModel().EntityContainers().First().EntitySets().SingleOrDefault(e => e.Name == "Customers");
IEdmType expectedType = expectedEdmElement.ReturnType.Definition;
Uri uri = new Uri(testUrl);
Uri baseUri = new Uri("http://myservice/");

// Acth
ODataPathSegment segment = GetParser().Parse(uri, baseUri, GetModel());

....