[1.1, 1.2, 1.3] Fixes issue with non active users still being able to login (closes #5891)
[1.1, 1.2, 1.3] Fixes issue with non active users still being able to login (closes #5891)


git-svn-id: e6180648f1438032975755a03660179a2fce9ff1@15836 ee427ae8-e902-0410-961c-c3ed070cd9f9

nixilla/sfDoctrineGuardPlugin,maxim-oleinik/sfDoctrineGuardPlugin,pixelfusion/sfDoctrineGuardPlugin