Adds emoji to OOC chat.
Adds emoji to adminPMs
as requested by supreme overlord scaredofshadows
Made emoji parsing much cheaper

AdminPM now follows OOC_EMOJIS rule
Renames game_options.txt OOC_EMOJIS to EMOJIS
Moves config check into emoji_parse proc, so the config affects all emoji use
Adds more emoji
igloves by @paprka,
revolver by @paprka,
honkman,
xeno
Merge pull request #6425 from JJRcop/OOCemoji

Adds emoji to OOC chat [Now with in-house sprites!]