ui: merged duplicated adhoc.html and message.html
ui: clarifying confirmation page and log for cancelTask event
ui: better http protocol compliance
alert: fixed incorrect alert config reload since hot reload
alert: avoiding emiting empty string alert on event
alert: fixed misleading alert email label

s/raised/emited/ when appropriate
alert: fixed no longer sent mail alerts after first mail

param "mail.mindelaybetweenmails" was no longer loaded correctly
the fix goes far beyond, cleaning up the whole mail alert parameters
mechanisms