Version update to 1.0

tagged v1.0beta2

Update version to 1.0beta

updated the travis script

added forgotten model.json

changed version to 0.1alpha

changed version to 0.1alpha

Handle mapped aggregations in Mongo

Use the columns of the semiadditive subquery, not the original query.

edge case for sql browser: don't include_summary by default if

(drilldown or split) present, rather than just (drilldown)