mwan3-luci: update to 1.3-5

mwan3-luci: update to 1.3-5
new naming/wording - more generically mwan than mwan3
renamed cryptic variables/functions/etc everywhere
removed unused and unnecessary variables everywhere
cleaned up ugly and inefficient Lua and Javascript

 mwan3-luci: update to 1.3-4
put dummy echo command back in hotplug script send_alert function to avoid errors

 mwan3-luci: update to 1.3-3
corrected name of last_resort option from "main" to "default"
added blackhole option to policy selection on rule configuration

 mwan3-luci: update to 1.3-2
added support for new last_resort option for policy configuration
added dependencies for luci-mod-admin-full and luci-lib-nixio
shortened length of menuconfig description lines
reworded things on various pages
changed date formatting in custom hotplug script
default route checks now verify both destination/netmask are 0.0.0.0
condensed messy javascript lines and removed -F' ' from awk commands

Signed-off-by: Aedan Renner chipdankly@gmail.com