Displays the duration of the current combat in a LDB-text-display.
If not in combat the timer shows the duration of the last combat.
This is an actually implemented rewrite of FuBar_CombatTimeFu for LibDataBroker (unlike Broker_CombatTime).
What is an LDB-plugin?
http://wiki.github.com/tekkub/libdatabroker-1-1
http://wiki.github.com/tekkub/libdatabroker-1-1/addons-using-ldb

