Added ability to override the default conventionset
Added ability to override the default conventionset

fluentmigrator/fluentmigrator,eloekset/fluentmigrator,eloekset/fluentmigrator,amroel/fluentmigrator,schambers/fluentmigrator,stsrki/fluentmigrator,stsrki/fluentmigrator,schambers/fluentmigrator,spaccabit/fluentmigrator,amroel/fluentmigrator,spaccabit/fluentmigrator,igitur/fluentmigrator,fluentmigrator/fluentmigrator,igitur/fluentmigrator