pgAdmin 4 commit: Greenplum specific DDL and Dashboard displaychanges.

Greenplum specific DDL and Dashboard display changes.
Initial patch by Sarah McAlear<smcalear@pivotal.io>.

Branch
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master

Details
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https://git.postgresql.org/gitweb?p=pgadmin4.git;a=commitdiff;h=46c5df4e7bb7abba6896cfb86eed43914a74850a
Author: Teng Zhang <tezhang@pivotal.io>

Modified Files
--------------
web/config.py                                      |   3 +-
.../templates/table/sql/gpdb_5.0_plus/create.sql   | 168 +++++++++++++++++++++
.../table/sql/gpdb_5.0_plus/properties.sql         |  82 ++++++++++
.../servers/databases/schemas/tables/utils.py      |   7 +-
web/pgadmin/browser/server_groups/servers/gpdb.py  |  20 +++
web/pgadmin/dashboard/__init__.py                  |   7 +-
.../dashboard/sql/gpdb_5.0_plus/activity.sql       |  14 ++
.../dashboard/sql/gpdb_5.0_plus/locks.sql          |  22 +++
.../dashboard/sql/gpdb_5.0_plus/session_stats.sql  |   4 +
.../gpdb_5.0_plus/some_action_with_gpdb_5_0.sql    |   1 +
.../utils/tests/test_versioned_template_loader.py  |  36 ++++-
web/pgadmin/utils/versioned_template_loader.py     |  39 +++--
12 files changed, 385 insertions(+), 18 deletions(-)