test fixes: xml XmlaBasic, XmlaExcel, XmlaMetaDataConstraints
test fixes: XmlaCognos, XmlaTabular
XmlaMetaDataConstraintsTest: remove exception handling on doTest

was preventing validation exception from being properly handled in
eclipse
XmlaBaseTestCase: also replace LAST_DATA_UPDATE
+Properties: AlwaysIncludeDefaultSlicer, CustomProviderVersion

default to previous behavior, for adomd-specific changes add:
 mondrian.xmla.AlwaysIncludeDefaultSlicer=true
 mondrian.xmla.CustomProviderVersion=10.0.1600.22
fix XmlaTest: include new properties
XmlaTest xmlns and checkcode
Intrinsic properties: expose Name, ID defaulting to Key
Merge pull request #3 from tgf/evergreen

batch of test fixes