Draw the "unknown" flag icon when none available
Also fall back to the "unknown" flag when the flag gfx is not found
Improved the zz flag (using Artefact's template)
Reworked flag icons. Use flat 60x40 source images, generate the final glossy versions with a script using an xcf template (based on Artefact's one)
Removed some redundancy
Fixed buff reactivation progress not being visible if the buff type changes while the buff is reactivating
Updated menu to use the new FlagIcon function
Added LICENSE.txt for original flag icons
Merge remote-tracking branch 'origin/unstable' into ft_bots_ax