implemented get_site_info for erpnext and patch to move setup complete to system settings

erpnext/patches/v7_0/system_settings_setup_complete.py

@@ -0,0 +1,16 @@
+from __future__ import unicode_literals
+import frappe
+
+def execute():
+	frappe.reload_doctype('System Settings')
+	companies = frappe.db.sql("""select name, country
+		from tabCompany order by creation asc""", as_dict=True)
+	if companies:
+		frappe.db.set_value('System Settings', 'System Settings', 'setup_complete', 1)
+
+	for company in companies:
+		if company.country:
+			frappe.db.set_value('System Settings', 'System Settings', 'country', company.country)
+			break
+
+