Updated the Seleucid civ json.
Tweaked some tooltips to show their unit classes better.
Balancing: Slingers are now 1.5x vs. ranged infantry and 1.25x vs. melee
infantry.
This was SVN commit r14242.
Player names for Seleucids.
Fixed names for Celtic docks and merchant ships.
Fixed cavalry health for a few units.
Name stuff for ships, specifically Carthage. Fixes#2106.
Started work on some Ptolemaic units, specifically the Cav Spearman.
Added LordGood's Sacred Band Cavalry portrait.
This was SVN commit r13957.