forward kms configuration to module
forward kms configuration to module

fix #273

scality/S3,scality/S3,lucisilv/Silviu_S3-Antidote,truststamp/S3,truststamp/S3,tomateos/S3,scality/S3,truststamp/S3,lucisilv/Silviu_S3-Antidote,truststamp/S3,tomateos/S3,scality/S3,lucisilv/Silviu_S3-Antidote,truststamp/S3,lucisilv/Silviu_S3-Antidote,scality/S3,tomateos/S3,truststamp/S3,tomateos/S3,tomateos/S3,lucisilv/Silviu_S3-Antidote,lucisilv/Silviu_S3-Antidote,scality/S3,truststamp/S3,tomateos/S3,lucisilv/Silviu_S3-Antidote,lucisilv/Silviu_S3-Antidote,scality/S3,scality/S3,tomateos/S3,truststamp/S3,tomateos/S3