reverted commit 991d621 - brought back the LASTAGG problem
Merge branch 'london_hackaton' of github.com:transmart/transmartApp into london_hackaton
Partial solution to the LISTAGG problem, for testing
Merge branch 'listagg_problem' of github.com:transmart/transmartApp into listagg_problem

Conflicts:
	grails-app/services/com/recomdata/transmart/data/export/DataExportService.groovy
Merge branch 'listagg_problem' into london_hackaton