<WIP> /sampledna

Created DnaManager,DnaSampleRange and dna_manager.lua
Modified CreatureManager.idl,ZoneServer.idl and Makefile.am to
reference the new DnaManager.
DnaManager loads the dna_manager.lua which is where all forumlas are
located and ranges are generated. Manager store the loaded ranges by
level of stat. Everything complies and loads but isnt referenced yet.
Should not be merged into unstable yet. put in right branch

Change-Id: Ic72e5f2c5f8c19bf7a046d83c7fdfe39c3339e99