pgAdmin 4 commit: Fixes #1123 - Options other than 'Create' are not ava

Fixes #1123 - Options other than 'Create' are not available in the
procedure node.

This patch also includes other fixes related 'procedure' node as below:
* Generate correct statement for dropping procedure.
* Fetch the missing schema name for the EXEC script.
* Removed the 'DROP CASCADE' menu options, as it is not supported by
  procedure.

Branch
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master

Details
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http://git.postgresql.org/gitweb?p=pgadmin4.git;a=commitdiff;h=c96f28b66f43c5e8704a515805a87d5d93eed28e
Author: Murtuza Zabuawala <murtuza.zabuawala@enterprisedb.com>

Modified Files
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.../server_groups/servers/databases/schemas/functions/__init__.py   | 6 ++++++
.../schemas/functions/templates/procedure/js/procedures.js          | 4 ++--
.../functions/templates/procedure/ppas/sql/9.1_plus/delete.sql      | 2 +-
.../functions/templates/procedure/ppas/sql/9.2_plus/delete.sql      | 2 +-
.../functions/templates/procedure/ppas/sql/9.5_plus/delete.sql      | 2 +-
5 files changed, 11 insertions(+), 5 deletions(-)