Remved Gemini code.

BitKeeper/deleted/.del-ha_gemini.cc~5d72172d33b00c6:
  Delete: sql/ha_gemini.cc
BitKeeper/deleted/.del-ha_gemini.h~4dfccf1929195747:
  Delete: sql/ha_gemini.h
BitKeeper/deleted/.del-gemini.result~89b4f9cced8dfc2f:
  Delete: mysql-test/r/gemini.result
BitKeeper/deleted/.del-gemini.test~51d0362310e55e17:
  Delete: mysql-test/t/gemini.test
BitKeeper/deleted/.del-have_gemini.inc~42f94f0dfd0f7b18:
  Delete: mysql-test/include/have_gemini.inc
BitKeeper/deleted/.del-have_gemini.require~206702c48b2e206b:
  Delete: mysql-test/r/have_gemini.require
BitKeeper/deleted/.del-gemini.dat~a73393a88b124b9f:
  Delete: mysql-test/std_data/gemini.dat
BitKeeper/deleted/.del-isolation.test~6a39e4138dd4a456:
  Delete: mysql-test/t/isolation.test
BitKeeper/deleted/.del-isolation.result~4da11e109a3d93a9:
  Delete: mysql-test/r/isolation.result
acinclude.m4:
  Remved gemini code.
configure.in:
  Remved gemini code.
libmysql/libmysql.c:
  Remved gemini code.
mysql-test/install_test_db.sh:
  Remved gemini code.
scripts/mysql_install_db.sh:
  Remved gemini code.
sql/Makefile.am:
  Remved gemini code.
sql/field.cc:
  Remved gemini code.
sql/field.h:
  Remved gemini code.
sql/handler.cc:
  Remved gemini code.
sql/handler.h:
  Remved gemini code.
sql/lex.h:
  Remved gemini code.
sql/mysqld.cc:
  Remved gemini code.
sql/sql_base.cc:
  Remved gemini code.
sql/sql_class.cc:
  Remved gemini code.
sql/sql_class.h:
  Remved gemini code.
sql/sql_lex.h:
  Remved gemini code.
sql/sql_parse.cc:
  Remved gemini code.
sql/sql_rename.cc:
  Remved gemini code.
sql/sql_table.cc:
  Remved gemini code.
sql/sql_yacc.yy:
  Remved gemini code.

sql/sql_lex.h

@@ -174,7 +174,6 @@ typedef struct st_lex {
   HA_CREATE_INFO create_info;
   LEX_MASTER_INFO mi;				// used by CHANGE MASTER
   ulong thread_id,type;
-  ulong gemini_spin_retries;
   enum_sql_command sql_command;
   enum lex_states next_state;
   enum enum_duplicates duplicates;