GitLab

  - WL#3158: IM: Instance configuration extensions;
  - WL#3159: IM: --bootstrap and --start-default-instance modes

The following new statements have been added:
  - CREATE INSTANCE;
  - DROP INSTANCE;

The behaviour of the following statements have been changed:
  - SET;
  - UNSET;
  - FLUSH INSTANCES;
  - SHOW INSTANCES;
  - SHOW INSTANCE OPTIONS;


BitKeeper/deleted/.del-im_options_set.imtest~b53d9d60e5684833:
  Delete: mysql-test/t/im_options_set.imtest
BitKeeper/deleted/.del-im_options_set.result~59278f56be61d921:
  Delete: mysql-test/r/im_options_set.result
BitKeeper/deleted/.del-im_options_unset.imtest~768eb186b51d0048:
  Delete: mysql-test/t/im_options_unset.imtest
BitKeeper/deleted/.del-im_options_unset.result~20a4790cd3c70a4f:
  Delete: mysql-test/r/im_options_unset.result
client/get_password.c:
  Change prototype to avoid casting when using C-strings (char *).
include/m_string.h:
  Moved LEX_STRING to global header from sql/ to be accessible
  from all...