Technology Cost Editor

It edits the AssetsXMLTechnologiesCIV4TechInfos.xml file and re-writes a new one based on the given tech multipliers for each era.
It edits the AssetsXMLTechnologiesCIV4TechInfos.xml file and re-writes a new one based on the given tech multipliers for each era. Example: The original technology cost for Mysticism (Ancient Era) is 50. If the given multiplier for Ancient Era is 2.