adding in attributes to control values in config file, and to decide whether or not to use one

add in if/else to change the daemon options to either use the config file if specified, otherwise use a command line configuration

specify paramtered config file

base mognodb config. could probably be expanded to include all options
reworked mongo_instance LWRP to potentially write a config file based off parameters supplied in the cookbook or other recipes. also passes whether or not this config file is being used to templates, etc

cleanup some erroneous log statements

handle a nil configfile

replset logic was reversed