KAZOO-546: update cdr app/makefile
KAZOO-546: update specs in whapps_call*
KAZOO-546: add the queue-id to call vars, to appear in custom-channel-vars
KAZOO-546: update specs/formatting
KAZOO-546: update makefile and include paths
KAZOO-546: update specs/types over several places;
decr timeouts using standard function instead of multiple clauses in the receive blocks