pgAdmin 4 commit: Fix Select2 issues. Fixes #1418. Fixes #1434

Fix Select2 issues. Fixes #1418. Fixes #1434

1. Select2 control fixed for multi-select mode.
2. Index constrains (primary and unique key) fixed column listing issue.
3. Table node "inherited from" (Select2 control) was not showing table name with public schema

Branch
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master

Details
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http://git.postgresql.org/gitweb?p=pgadmin4.git;a=commitdiff;h=4077de21874d062b15331d6c652880a250623e03
Author: Harshal Dhumal <harshal(dot)dhumal(at)enterprisedb(dot)com>

Modified Files
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.../templates/index_constraint/js/index_constraint.js | 14 ++++++++++++++
.../tables/templates/table/sql/9.1_plus/properties.sql | 4 ++--
.../tables/templates/table/sql/9.5_plus/properties.sql | 4 ++--
web/pgadmin/static/js/backform.pgadmin.js | 6 +++++-
4 files changed, 23 insertions(+), 5 deletions(-)