I'll go speak to my friend Mumfrey about this, I know he's been playing around with it for the last couple of days. I'll let you know what I find, if anything.
Why do people call it a pahimar setup? I've been using it since long before he showed it to everyone ><
Then i don't know, if you read the readme that dinnerbone put in the assets folder inside of MCP it says that anything placed there will be deleted on start-up.
https://github.com/SuitedSlime/1.6-Forge-Mod
It works fine. Go ahead, download and compile it.
EDIt: Actually don't, I forgot to register the block. hehe
http://www.minecraftforge.net/wiki/Developing_Addons_for_Existing_Mods
http://www.minecraftforge.net/wiki/How_to_install_Forge_%26_an_external_API
Maybe look a little harder next time?
https://github.com/pahimar/Equivalent-Exchange-3/blob/master/ee3_common/com/pahimar/ee3/lib/Localizations.java
https://github.com/pahimar/Equivalent-Exchange-3/blob/master/ee3_common/com/pahimar/ee3/core/handlers/LocalizationHandler.java
https://github.com/pahimar/Equivalent-Exchange-3/blob/master/ee3_common/com/pahimar/ee3/core/util/LocalizationUtil.java
https://github.com/pahimar/Equivalent-Exchange-3/blob/master/ee3_common/com/pahimar/ee3/EquivalentExchange3.java (line 97)
Little bit of intuition isn't a bad thing
https://github.com/SuitedSlime/SlimeCore/blob/master/src/slimecore/prefab/block/BlockAdvanced.java
Lines 38 to 93 , it's a little complex for what you're wanting to do though I think...