little fixes better readme

update README.md add a comparion to two hokey setups
fix typo, use showLocalRatingsDropdown != false
add Minister to hotkey.autociv.session.entity.by.class.select.Siege|(Minister): Alt+V,
set var playerIsGreeted to var to get global . its a 0ad special rule
update hotkey description
update hotkeys add Crossbowman to the archer list Alt+A
add updateJSLineNumbersWithBash.sh
fix g_PlayerAssignments[msg.guid] is undefined