Cleans up some docs for the 1.0 release. (#3508)
Cleans up some docs for the 1.0 release. (#3508)

* Cleans up information about file extensions, now that they are required.

* Removes references to deprecated configuration options.

* Adds docs for multiple bind address support.

hashicorp/consul,youhong316/consul,hashicorp/consul,kingland/consul,42wim/consul,hashicorp/consul,i0rek/consul,youhong316/consul,calgaryscientific/consul,vamage/consul,i0rek/consul,scalp42/consul,kingland/consul,hashicorp/consul,calgaryscientific/consul,youhong316/consul,youhong316/consul,i0rek/consul,scalp42/consul,42wim/consul,kingland/consul,scalp42/consul,calgaryscientific/consul,calgaryscientific/consul,42wim/consul,42wim/consul,vamage/consul,scalp42/consul,vamage/consul,kingland/consul,vamage/consul,42wim/consul,i0rek/consul,calgaryscientific/consul,youhong316/consul,scalp42/consul,vamage/consul,i0rek/consul,kingland/consul