WL#1163 (Making spatial code optional)
Pack of changes to do in sql/ code.


sql/field.cc:
  Spatial code #ifdef-ed
sql/field.h:
  Spatial code #ifdef-ed
sql/item_create.cc:
  Spatial code #ifdef-ed
sql/item_create.h:
  Spatial code #ifdef-ed
sql/item_geofunc.cc:
  Spatial code #ifdef-ed
sql/item_geofunc.h:
  Spatial code #ifdef-ed
  GEOM_NEW implementation
sql/lex.h:
  Code was significally modified to support optional group
  of functions
sql/lex_symbol.h:
  SYM_GROUP structure presented
sql/sql_table.cc:
  Spatial code #ifdef-ed
sql/sql_yacc.yy:
  Several modifications to make spatial code optional
sql/table.cc:
  Spatial code #ifdef-ed
sql/unireg.cc:
  Spatial code #ifdef-ed