KAZOO-435: update specs/tickies
KAZOO-435: formatting
KAZOO-435: encode headers properly
KAZOO-435: update specs/tickies/formatting
KAZOO-435: more specs/formatting
KAZOO-435: update module header
KAZOO-435: start to harmonize the fax doc format
KAZOO-435: move shared functionality into util module
KAZOO-435: update the spec
Fax-Header and Fax-Ident headers now can be sent into the FS with the originate cmd
Modifications after code review.  Pulled changes outs of ecallmgr_fs_xml.erl and placed the new originate headers into to the SPECIAL_CHANNEL_VARS in ecallmgr.hrl  Made modifications to remove the freeswitch leaky abstractions into kazo
Misspelling in the headers for Fax-Identity-Number
KAZOO-434: only build uuids for endpoints if there are multiple
KAZOO-434: bind for the cdr