Add string escape for postgresql in custom query
Ajust Test config with default value
Merge pull request #583 from durango/master

Min/Max decimal support closes #579
'ORDER BY' should come after 'GROUP BY'
Merge branch 'postgres-clause-order-fix' of git://github.com/mekanics/sequelize into mekanics-postgres-clause-order-fix
Updated changelog
Merge branch 'master' of git://github.com/wyplay/sequelize into wyplay-master