Change server to use optional config file for mongodb host
Change server to use optional config file for mongodb host

scanon/KBaseFBAModeling,mmundy42/KBaseFBAModeling,kbase/KBaseFBAModeling,kbase/KBaseFBAModeling,scanon/KBaseFBAModeling,mmundy42/KBaseFBAModeling,samseaver/KBaseFBAModeling,samseaver/KBaseFBAModeling,scanon/KBaseFBAModeling,scanon/KBaseFBAModeling,samseaver/KBaseFBAModeling,mmundy42/KBaseFBAModeling,kbase/KBaseFBAModeling,kbase/KBaseFBAModeling,scanon/KBaseFBAModeling,mmundy42/KBaseFBAModeling,samseaver/KBaseFBAModeling,kbase/KBaseFBAModeling,mmundy42/KBaseFBAModeling,samseaver/KBaseFBAModeling