pgAdmin 4 commit: Monitor connection and transaction status in thequer

Monitor connection and transaction status in the query tool. Fixes #2475

Branch
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master

Details
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https://git.postgresql.org/gitweb?p=pgadmin4.git;a=commitdiff;h=8520871bc612b25c8d8b193846c3cb34e5f2c6da
Author: Murtuza Zabuawala <murtuza.zabuawala@enterprisedb.com>

Modified Files
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.../browser/server_groups/servers/__init__.py      |   9 +-
.../databases/templates/databases/css/database.css |   2 +-
web/pgadmin/static/css/bootstrap.overrides.css     |   6 +
web/pgadmin/static/js/sqleditor_utils.js           | 141 ++++++++++++++++++++-
web/pgadmin/tools/datagrid/__init__.py             |  49 ++++---
.../tools/datagrid/templates/datagrid/index.html   |  42 +++++-
web/pgadmin/tools/sqleditor/__init__.py            | 102 ++++++++++++++-
.../tools/sqleditor/static/css/sqleditor.css       |  60 ++++++++-
web/pgadmin/tools/sqleditor/static/img/connect.svg |   1 +
.../tools/sqleditor/static/img/disconnect.svg      |   1 +
web/pgadmin/tools/sqleditor/static/js/sqleditor.js | 107 ++++++++++++++--
web/webpack.config.js                              |   6 +
12 files changed, 472 insertions(+), 54 deletions(-)