configure script added, restart script added, uninstall script added, upgrade script added, config.py excluded from repository and added to .gitignore, install.py improved, generate nginx config fixed

uninstall.py

@@ -0,0 +1,12 @@
+import config
+import powershell
+import os
+
+deploy_path = config.deploy_path
+pm2_name = config.pm2_name
+
+if os.path.isdir(deploy_path):
+    powershell.run_command_no_dir('pm2 delete ' + pm2_name + '; rm "' + deploy_path + '" -r -force;')
+    print('Package successfully uninstalled')
+else:
+    print('Package not installed')