Adds javadocs on how the XMPP and REST APIs are to be activated on the application command line.
Adds javadocs on how the XMPP and REST APIs are to be activated on the application command line.

bebo/jitsi-videobridge,jitsi/jitsi-videobridge,juggernaut/jitsi-videobridge,martin7890/jitsi-videobridge,davidertel/jitsi-videobridge,parlaylabs/jitsi-videobridge,bhatvv/jitsi-videobridge,innerverse/jitsi-videobridge,jitsi/jitsi-videobridge,jianlinwei/jitsi-videobridge,matteocampana/jitsi-videobridge,parlaylabs/jitsi-videobridge,tsunli/jitsi-videobridge,davidertel/jitsi-videobridge,gpolitis/jitsi-videobridge,matteocampana/jitsi-videobridge,gpolitis/jitsi-videobridge,juggernaut/jitsi-videobridge,ReadyTalk/jitsi-videobridge,jitsi/jitsi-videobridge,juggernaut/jitsi-videobridge,innerverse/jitsi-videobridge,bhatvv/jitsi-videobridge,ReadyTalk/jitsi-videobridge,bebo/jitsi-videobridge,bebo/jitsi-videobridge,jianlinwei/jitsi-videobridge,jitsi/jitsi-videobridge,innerverse/jitsi-videobridge,tsunli/jitsi-videobridge,jitsi/jitsi-videobridge,gpolitis/jitsi-videobridge,ReadyTalk/jitsi-videobridge,tsunli/jitsi-videobridge,jitsi/jitsi-videobridge,jitsi/jitsi-videobridge,martin7890/jitsi-videobridge,parlaylabs/jitsi-videobridge,bhatvv/jitsi-videobridge,matteocampana/jitsi-videobridge,parlaylabs/jitsi-videobridge,jianlinwei/jitsi-videobridge,martin7890/jitsi-videobridge,davidertel/jitsi-videobridge