Broker: add doc for global variables
Broker: add doc for global variables

gokmen/koding,koding/koding,gokmen/koding,rjeczalik/koding,usirin/koding,drewsetski/koding,szkl/koding,jack89129/koding,acbodine/koding,acbodine/koding,szkl/koding,koding/koding,gokmen/koding,szkl/koding,sinan/koding,mertaytore/koding,kwagdy/koding-1,usirin/koding,jack89129/koding,kwagdy/koding-1,koding/koding,drewsetski/koding,acbodine/koding,jack89129/koding,cihangir/koding,jack89129/koding,alex-ionochkin/koding,alex-ionochkin/koding,andrewjcasal/koding,acbodine/koding,alex-ionochkin/koding,kwagdy/koding-1,alex-ionochkin/koding,alex-ionochkin/koding,andrewjcasal/koding,rjeczalik/koding,jack89129/koding,cihangir/koding,rjeczalik/koding,andrewjcasal/koding,cihangir/koding,acbodine/koding,jack89129/koding,mertaytore/koding,kwagdy/koding-1,usirin/koding,alex-ionochkin/koding,rjeczalik/koding,sinan/koding,usirin/koding,kwagdy/koding-1,gokmen/koding,gokmen/koding,szkl/koding,drewsetski/koding,kwagdy/koding-1,andrewjcasal/koding,sinan/koding,mertaytore/koding,drewsetski/koding,koding/koding,drewsetski/koding,koding/koding,mertaytore/koding,andrewjcasal/koding,drewsetski/koding,koding/koding,rjeczalik/koding,mertaytore/koding,acbodine/koding,rjeczalik/koding,koding/koding,gokmen/koding,szkl/koding,szkl/koding,rjeczalik/koding,jack89129/koding,usirin/koding,mertaytore/koding,cihangir/koding,acbodine/koding,rjeczalik/koding,andrewjcasal/koding,acbodine/koding,mertaytore/koding,andrewjcasal/koding,sinan/koding,sinan/koding,kwagdy/koding-1,jack89129/koding,gokmen/koding,usirin/koding,alex-ionochkin/koding,sinan/koding,usirin/koding,cihangir/koding,alex-ionochkin/koding,szkl/koding,cihangir/koding,kwagdy/koding-1,sinan/koding,sinan/koding,andrewjcasal/koding,mertaytore/koding,gokmen/koding,cihangir/koding,drewsetski/koding,drewsetski/koding,usirin/koding,szkl/koding,koding/koding,cihangir/koding