fix faq doc
update links on landing page
flite - slower speech
FSM - manage timeout on MULTI_CHOICE differently
flite - slower speech / change voice from slt to awb on flite
remove sql
fix on dhs
start test suit for DB
correction on function name / and fix indent
improvement of the tasking
update version v2.7.2
Merge branch 'release/v2.7.2'