pgsql: Rename pending_list_cleanup_size to gin_pending_list_limit.

Rename pending_list_cleanup_size to gin_pending_list_limit.

Since this parameter is only for GIN index, it's better to
add "gin" to the parameter name for easier understanding.

Branch
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master

Details
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http://git.postgresql.org/pg/commitdiff/c291503b1c8250c7ba6ca900b7ba2f85a64b1eb6

Modified Files
--------------
doc/src/sgml/config.sgml | 6 +++---
doc/src/sgml/gin.sgml | 10 +++++-----
doc/src/sgml/ref/create_index.sgml | 4 ++--
src/backend/access/common/reloptions.c | 2 +-
src/backend/access/gin/ginfast.c | 4 ++--
src/backend/access/gin/ginutil.c | 2 +-
src/backend/utils/misc/guc.c | 4 ++--
src/backend/utils/misc/postgresql.conf.sample | 2 +-
src/bin/psql/tab-complete.c | 2 +-
src/include/access/gin.h | 2 +-
src/include/access/gin_private.h | 2 +-
src/test/regress/expected/create_index.out | 4 ++--
src/test/regress/sql/create_index.sql | 2 +-
13 files changed, 23 insertions(+), 23 deletions(-)