Bump gwtorm to 1.15
Bump gwtorm to 1.15

This version adds support for SAP HANA.

Change-Id: I0d6ffd8d373f32bcc940ac2e331bfeb9ef95ad9f

joshuawilson/merrit,GerritCodeReview/gerrit,gerrit-review/gerrit,gerrit-review/gerrit,qtproject/qtqa-gerrit,WANdisco/gerrit,joshuawilson/merrit,gerrit-review/gerrit,MerritCR/merrit,joshuawilson/merrit,MerritCR/merrit,WANdisco/gerrit,GerritCodeReview/gerrit,joshuawilson/merrit,MerritCR/merrit,gerrit-review/gerrit,joshuawilson/merrit,gerrit-review/gerrit,qtproject/qtqa-gerrit,qtproject/qtqa-gerrit,WANdisco/gerrit,qtproject/qtqa-gerrit,gerrit-review/gerrit,WANdisco/gerrit,GerritCodeReview/gerrit,joshuawilson/merrit,WANdisco/gerrit,WANdisco/gerrit,joshuawilson/merrit,GerritCodeReview/gerrit,WANdisco/gerrit,MerritCR/merrit,GerritCodeReview/gerrit,MerritCR/merrit,joshuawilson/merrit,MerritCR/merrit,qtproject/qtqa-gerrit,qtproject/qtqa-gerrit,GerritCodeReview/gerrit,MerritCR/merrit,GerritCodeReview/gerrit,gerrit-review/gerrit,qtproject/qtqa-gerrit,MerritCR/merrit,GerritCodeReview/gerrit