MSSQL: Fix for reading 3D geometries (#6733)
MSSQL: Fix for handling spatial tables with no FID columns (#7254)
Fix the behaviour of the trusted connection checkbox (#6262)
Merge pull request #448 from szekerest/master

MSSQL Fixes (Fix #6733 and Fix #7254)
Merge branch 'master' of https://github.com/qgis/Quantum-GIS
R-skripts now can have (up to 5 _consecutive_) empty lines before the 'parser' exits.