corrected ReadingType to schema - removed aggregate, changed tag order, added defaultquality
Merge pull request #8 from MartyBurns/master

 corrected ReadingType to schema - removed aggregate, changed tag order,...
Merge pull request #9 from jateeter/master

Fixed datacustodian import/assignUsagePoint/ and import into thirdparty
refactored to put export and paramterFilters in common in prep for
RESTful services