Get autoconf.conf from $AUTOCONF_HOME
Removed warns about turn off autoconf-server

Now, you can restart Hadoop and autoconf-server independently
Added three new vars
Get autoconf.conf via $AUTOCONF_HOME
Default empty name changed from no-name to unknown
Added new method to create Index
AutoConfServer is now running on a thread
Added support to launch AutoConf via autoconfctl
Added startServer to the AutoConf interface