Moving sql files to data folder (#670)

- all sql files moved to data directory
- vanilla_regen_values is now labeled as optional. zz_optional_vanilla_regen_values.sql
- vanilla_mob_factions removed, content moved to zone_ sql files
- naxx40_remove_disables removed, content moved to naxx40 sql file
- zone_elwynn_forest clean up
- zone_durotar clean up
- zone_tirisfal_glades clean up

data/sql/world/base/vanilla_xp_tables.sql

@@ -0,0 +1,80 @@
+REPLACE INTO `player_xp_for_level` (`Level`, `Experience`) VALUES
+(1, 400),
+(2, 900),
+(3, 1400),
+(4, 2100),
+(5, 2800),
+(6, 3600),
+(7, 4500),
+(8, 5400),
+(9, 6500),
+(10, 7600),
+(11, 8800),
+(12, 10100),
+(13, 11400),
+(14, 12900),
+(15, 14400),
+(16, 16000),
+(17, 17700),
+(18, 19400),
+(19, 21300),
+(20, 23200),
+(21, 25200),
+(22, 27300),
+(23, 29400),
+(24, 31700),
+(25, 34000),
+(26, 36400),
+(27, 38900),
+(28, 41400),
+(29, 44300),
+(30, 47400),
+(31, 50800),
+(32, 54500),
+(33, 58600),
+(34, 62800),
+(35, 67100),
+(36, 71600),
+(37, 76100),
+(38, 80800),
+(39, 85700),
+(40, 90700),
+(41, 95800),
+(42, 101000),
+(43, 106300),
+(44, 111800),
+(45, 117500),
+(46, 123200),
+(47, 129100),
+(48, 135100),
+(49, 141200),
+(50, 147500),
+(51, 153900),
+(52, 160400),
+(53, 167100),
+(54, 173900),
+(55, 180800),
+(56, 187900),
+(57, 195000),
+(58, 202300),
+(59, 209800),
+(60, 494000),
+(61, 574700),
+(62, 614400),
+(63, 650300),
+(64, 682300),
+(65, 710200),
+(66, 734100),
+(67, 753700),
+(68, 768900),
+(69, 779700),
+(70, 1523800),
+(71, 1539600),
+(72, 1555700),
+(73, 1571800),
+(74, 1587900),
+(75, 1604200),
+(76, 1620700),
+(77, 1637400),
+(78, 1653900),
+(79, 1670800);