Moved the javascripts of the following browser node modules to the

'static' directory from 'templates' in the respective module directory:
- Server Group
- Server
- Database
- Schema
- Cast
- Event trigger
- Extension
- Foreign data wrapper
- Language
- Catalog Object
- Collation
- Domain Constraint
- Domain
- Foreign server
- FTS Configuration
- FTS Dictionary
- FTS Parser
- FTS Template
- Function
- Procedure
- Trigger Function
- Package
- Sequence
- Catalog
- Schema
- Synonym
- Table
- Type
- Materialized View
- View
- pgAgent Modules
  + Job (pga_job)
  + Schedule (pga_schedule)
  + Steps (pga_jobstep)

Added new dynanic modules for listing the supported server types, and
current user information.

NOTE: We've not yet moved the javascripts for the children of the table
module.

web/pgadmin/browser/server_groups/servers/databases/extensions/__init__.py

@@ -13,7 +13,7 @@ import simplejson as json
 from functools import wraps
 
 import pgadmin.browser.server_groups.servers.databases as databases
-from flask import render_template, make_response, request, jsonify
+from flask import render_template, request, jsonify
 from flask_babel import gettext
 from pgadmin.browser.collection import CollectionNodeModule
 from pgadmin.browser.utils import PGChildNodeView
@@ -82,6 +82,14 @@ class ExtensionModule(CollectionNodeModule):
         """
         return databases.DatabaseModule.NODE_TYPE
 
+    @property
+    def module_use_template_javascript(self):
+        """
+        Returns whether Jinja2 template is used for generating the javascript
+        module.
+        """
+        return False
+
 
 # Create blueprint of extension module
 blueprint = ExtensionModule(__name__)
@@ -123,7 +131,6 @@ class ExtensionView(PGChildNodeView):
         'stats': [{'get': 'statistics'}],
         'dependency': [{'get': 'dependencies'}],
         'dependent': [{'get': 'dependents'}],
-        'module.js': [{}, {}, {'get': 'module_js'}],
         'avails': [{}, {'get': 'avails'}],
         'schemas': [{}, {'get': 'schemas'}],
         'children': [{'get': 'children'}]
@@ -450,18 +457,6 @@ class ExtensionView(PGChildNodeView):
             status=200
         )
 
-    def module_js(self):
-        """
-        This property defines whether javascript exists for this node.
-        """
-        return make_response(
-            render_template(
-                "extensions/js/extensions.js",
-                _=gettext
-            ),
-            200, {'Content-Type': 'application/x-javascript'}
-        )
-
     @check_precondition
     def sql(self, gid, sid, did, eid):
         """