pgAdmin 4 commit: Use the same keyboard shortcuts in the query tool as

Use the same keyboard shortcuts in the query tool as pgAdmin 3. Refs #1478

Per discussion on the mailing list, the shortcuts override the browser defaults (where there are any), but only when
thequery tool has focus. 

Branch
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master

Details
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http://git.postgresql.org/gitweb?p=pgadmin4.git;a=commitdiff;h=9c4eed70b43f6ff40f7c17be3e65c3beaf13bcd0
Author: Surinder Kumar <surinder.kumar@enterprisedb.com>

Modified Files
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.../tools/datagrid/templates/datagrid/index.html   |  8 ++--
.../sqleditor/templates/sqleditor/js/sqleditor.js  | 48 ++++++++++++++--------
2 files changed, 36 insertions(+), 20 deletions(-)