diff --git a/frappe/commands.py b/frappe/commands.py
index ee1c8ae522..2639ef0e08 100644
--- a/frappe/commands.py
+++ b/frappe/commands.py
@@ -349,12 +349,14 @@ def reset_perms(context):
 			frappe.destroy()
 
 @click.command('execute')
+@click.argument('method')
 @pass_context
-def execute(context):
+def execute(context, method):
 	"execute a function"
 	for site in context.sites:
 		try:
 			frappe.init(site=site)
+			frappe.connect()
 			ret = frappe.get_attr(method)()
 
 			if frappe.db:
diff --git a/frappe/config/desktop.py b/frappe/config/desktop.py
index c9aac32d60..70b73ffb7e 100644
--- a/frappe/config/desktop.py
+++ b/frappe/config/desktop.py
@@ -52,7 +52,7 @@ def get_data():
 			"type": "module"
 		},
 		"Installer": {
-			"color": "#888",
+			"color": "#5ac8fb",
 			"icon": "icon-download",
 			"icon": "octicon octicon-cloud-download",
 			"link": "applications",
diff --git a/frappe/model/utils.py b/frappe/model/utils.py
index f5a8b533d8..907fcc932b 100644
--- a/frappe/model/utils.py
+++ b/frappe/model/utils.py
@@ -1,5 +1,5 @@
 # Copyright (c) 2015, Frappe Technologies Pvt. Ltd. and Contributors
-# MIT License. See license.txt 
+# MIT License. See license.txt
 
 from __future__ import unicode_literals
 import frappe, json
@@ -9,9 +9,10 @@ Model utilities, unclassified functions
 """
 
 def set_default(doc, key):
+	"""Set is_default property of given doc and unset all others filtered by given key."""
 	if not doc.is_default:
 		frappe.db.set(doc, "is_default", 1)
-	
+
 	frappe.db.sql("""update `tab%s` set `is_default`=0
-		where `%s`=%s and name!=%s""" % (doc.doctype, key, "%s", "%s"), 
+		where `%s`=%s and name!=%s""" % (doc.doctype, key, "%s", "%s"),
 		(doc.get(key), doc.name))
diff --git a/frappe/utils/bench_helper.py b/frappe/utils/bench_helper.py
index b633f60aa3..01f08adaac 100644
--- a/frappe/utils/bench_helper.py
+++ b/frappe/utils/bench_helper.py
@@ -14,7 +14,7 @@ def main():
 
 def get_app_groups():
 	ret = {}
-	for app in get_apps():
+	for app in ["frappe"]: #get_apps():
 		app_group = get_app_group(app)
 		if app_group:
 			ret[app] = app_group
@@ -55,7 +55,7 @@ def get_app_commands(app):
 		app_command_module = importlib.import_module(app + '.commands')
 	except ImportError:
 		return []
-	
+
 	ret = {}
 	for command in getattr(app_command_module, 'commands', []):
 		ret[command.name] = command