In class/Microsoft.Build.Engine/Microsoft.Build.BuildEngine:

In class/Microsoft.Build.Engine/Microsoft.Build.BuildEngine:

	* MetadataReference.cs (BuildItemGroupToITaskItems): Return unique
	metadata values for unqualified references.
	(BuildItemGroupToITaskItemArray): Rename to ..
	(BuildItemGroupToITaskItems): .. this.
	(HasTaskItem): New.

In class/Microsoft.Build.Engine/Test/Microsoft.Build.BuildEngine:

	* ProjectTest.cs (TestBatchedMetadataRef[23]): Modify to check for
	multiple items with same metadata value, incase of unqualified metadata
	references.
	Track changes in BatchingTestTask.

In class/Microsoft.Build.Engine/Test/resources:

	* TestTasks.cs (BatchingTestTask): Add specific properties
	for string and string[].

svn path=/trunk/mcs/; revision=122246