* docs - add pxf server cfg topic, rework other cfg topics, misc edits

* some of the edits requested by francisco

* add Hive back in to list of JDBC SQL dbs

* sneaking in a misc unrelated formatting fix

* edits requested by david

* Source for the segment recovery flowchart

* Rename gprecovery-flow-chart.graffle to recovermatrix.graffle to match png filename

* docs - add info about pxf jdbc statement properties

* misc edits requested by david

The utilities reference page contained (unlinked) mentions of long
since deprecated utilities, and since they aren't shipping it's time
to remove them:

	gpsizecalc - removed in June 2010
	gpskew - removed in October 2009
	gprebuildsystem - removed in January 2010
	gpchecknet - removed in April 2010
	gpcheckos - removed in July 2016

Reviewed-by: Lisa Owen
Reviewed-by: David Yozie

gpdetective was removed in 4.3.5, so it seems about time to also
remove the documentation for it (which was unreachable due to the
app being marked deprecated).

Reviewed-by: Lisa Owen
Reviewed-by: David Yozie

* docs - add pageinspect module landing page

* remove peer scope

* cannot inspect ao or external relations

* docs - add to pxf upgrade procedure (v5.0.1 to v5.3.2)

* remove extraneous to

When referring to the product name and not a database instance running
Greenplum, the capitalization should be "Greenplum Database".

* docs - enhance pxf jdbc partitioning content

* add missing comma

* simplify some content

* docs - clarify pxf filter partitioning support for hive

* clarify the hadoop cfg update content

* remove cluster start

* edits requested by david

* remove disable statement per shivram

* docs - add pxf jdbc.connection.transactionIsolation server cfg property

* use read uncommitted in example; add external

* docs - jdbc cfg supports connection- and session-level properties

* some edits requested by david

* reword jdbc server cfg opening paragraph

* clarify rejected session prop/value chars as requested by ivan

* docs - discuss pxf fragment metadata caching

* a large number of

* docs - pxf init/sync support to master standby

* edits requested by david

* edits requested by francisco and oliver

* pxf sync from master TO standby or seg host

* identify sync run on master in pxf sync option description

* Docs: fixing several broken links

* Docs: fixing several broken links

* Adding info about GPORCA support notice

* add missing comma

* docs - address lock exhaustion shared mem error msg o

* capitalize Out in title

* Updates to GUCs from Cyrille's reviews

* Revise description of temp_buffers to match 6.0 behavior

* Fix a couple typos

* For effective_cache_size GUC, show default in blocks and size.

* Docs - update pg_class and pg_index catalog table references

* dyozie review comments

* Add a list of SQL keywords to the ref guide

* Fix error from review

* Update from review comment

ORCA Explain plans will now contain:
`Optimizer: Pivotal Optimizer (GPORCA) version 3.35.0`

instead of:
`Optimizer: PQO version 3.35.0`

Authored-by: Chris Hajas chajas@pivotal.io

Commit 4e337a33 enabled RECURSIVE
CTEs by default, update the docs to reflect the current state of
the GUC.
Reviewed-by: NLisa Owen <lowen@pivotal.io>
Reviewed-by: NDavid Yozie <dyozie@pivotal.io>

* Update pl/java docs for JVM version, shared library loc, CREATE EXTENSION command, .sql file deprecation

* Add default library location for JDK 8 and JDK 11

* format testdb; relocate uninstall topic

Fix two spotted occurrences of "Greemplum"

Reviewed-by: NDavid Yozie <dyozie@pivotal.io>

Since Greenplum is now based on PostgreSQL 9.4, update links to the
upstream documentation to refer to the 9.4 docset rather than older
versions. Also fix a few mentions of 8.3(.23) in the text along with
some spacing.
Reviewed-by: NDavid Yozie <dyozie@pivotal.io>

The search.cpan.org site has been discontinued and replaced with
metacpan.org, fix by replacing all links in the documentation.
There is an additional link in the testcode which will be fixed
as we merge with upstream.
Reviewed-by: NDavid Yozie <dyozie@pivotal.io>

In all but a few places we referred to the upstream documentation as
"PostgreSQL documentation", this fixes the few places where we had a
different spelling.
Reviewed-by: NDavid Yozie <dyozie@pivotal.io>

* gpbackup and gprestore will not run if expand in process

* Add backup step to overview and checklist