Openvpn config to network manager config converter. Download and make this script executable and run (you need to have node.js installed).

ovpn2nm.js

#!/usr/bin/env node
var args = process.argv.slice(2);

if (args[0] == '-h' || args[0] == undefined) {
console.log('\nUsage :  ovpn2nm.js [file]');
console.log('Example : ovpn2nm.js client.ovpn');
console.log('\nVersion 0.0.1');

return 0;
};
var fs= require('fs');
var file = args[0];
	
	console.log("Reading config file : "+file);

	fs.readFile(file, 'utf-8', function (err, data) {
		if (err) {
			console.log(err);
			return 0;
		};

		console.log("Extracting config file...");
		
		var cert = data.match(/<cert>([\s\S]*)<\/cert>/gm)[0].replace(/<cert>|<\/cert>/gm, "");
		var ca 	 = data.match(/<ca>([\s\S]*)<\/ca>/gm)[0].replace(/<ca>|<\/ca>/gm, "");
		var key  = data.match(/<key>([\s\S]*)<\/key>/gm)[0].replace(/<key>|<\/key>/gm, "");
		var ta   = data.match(/<tls-auth>([\s\S]*)<\/tls-auth>/gm)[0].replace(/<tls-auth>|<\/tls-auth>/gm, "");
		var ovpn = data.replace(/<cert>([\s\S]*)<\/cert>|<ca>([\s\S]*)<\/ca>|<key>([\s\S]*)<\/key>|<tls-auth>([\s\S]*)<\/tls-auth>/gm, "");
		ovpn = ovpn.replace(/key-direction\s1/, "ca ca.crt\ncert client.crt\nkey client.key\ntls-auth\nta.key 1");

		console.log('Extraction complete... \nMaking new directory...');
		
		fs.mkdir('openvpn', 0755,function(err) {
			console.log('Creating files..');
				fs.writeFile('openvpn/client.crt', cert);
				fs.writeFile('openvpn/ca.crt', ca);	
				fs.writeFile('openvpn/client.key', key);	
				fs.writeFile('openvpn/ta.key', ta);	
				fs.writeFile('openvpn/client.ovpn', ovpn);	
			console.log('Completed..!')
		});
	});

This script will extract configurations files in /path-to-script/openvpn folder.
If you have network-manager-openvpn-gnome installed.
Go to network manger > Vpn connection > configure vpn > import
and select client.ovpn from new openvpn folder.

Enter your username and password and youre ready to go !