pgAdmin 4 commit: Various misc fixes:

Various misc fixes:
- Using the 'gettext' as oppose to '_', which is not defined
- Define missing variables
- Fixed escape character in string with double quote
- Removed some dead code in a test case
- Removed unnecessary self assignment

Includes some fixes for Accessibility improvements
- Use semantic markup to mark emphasized or special text
- Added hidden legend in <fieldset> for better screen reader support

Branch
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master

Details
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https://git.postgresql.org/gitweb?p=pgadmin4.git;a=commitdiff;h=d9f6baac72d94570f1ae8d7792f9735397dd0d99

Modified Files
--------------
.../browser/server_groups/servers/__init__.py      |  2 +-
.../servers/databases/schemas/packages/__init__.py |  3 ++-
.../servers/resource_groups/__init__.py            |  4 +--
.../server_groups/servers/roles/tests/utils.py     | 31 +---------------------
.../server_groups/servers/tablespaces/__init__.py  |  4 +--
web/pgadmin/misc/file_manager/__init__.py          |  3 ---
web/pgadmin/settings/__init__.py                   |  2 +-
.../templates/security/change_password.html        |  3 ++-
.../templates/security/forgot_password.html        |  1 +
web/pgadmin/templates/security/panel.html          |  2 +-
web/pgadmin/templates/security/reset_password.html |  1 +
.../tools/debugger/templates/debugger/direct.html  | 12 ++++-----
web/pgadmin/tools/schema_diff/__init__.py          | 12 ++++-----
web/pgadmin/tools/search_objects/__init__.py       |  2 +-
web/pgadmin/tools/sqleditor/__init__.py            |  5 +---
15 files changed, 28 insertions(+), 59 deletions(-)