prepare for npm release

* grunt support (I especially use "release")
* travis support

.travis.yml

@@ -0,0 +1,5 @@
+language: node_js
+node_js:
+  - "0.10"
+  - "0.8"
+  - "0.6"

Gruntfile.js

@@ -0,0 +1,38 @@
+module.exports = function(grunt) {
+  grunt.initConfig({
+    pkg: grunt.file.readJSON('package.json'),
+    clean: []
+  });
+  grunt.loadNpmTasks('grunt-release'); // dry run: grunt --no-write -v release
+
+  grunt.registerTask('default', ['test']);
+
+  grunt.registerTask('test', 'run tests', function() {
+    var done = this.async(),
+      numberOfTests = 3;
+
+    require('child_process').exec(
+      'make test',
+      function(error, stdout, stderr) {
+        grunt.log.verbose.writeln(stdout);
+        grunt.log.verbose.writeln(stderr);
+        if (error) {
+          grunt.log.error(error);
+          done(false);
+        }
+        else {
+          // detect "Result: PASS"
+          // of each tests
+          var passLines = stdout.match(/Result: PASS/g);
+          if ( ! passLines || (passLines.length != numberOfTests) ) {
+            grunt.fail.warn( "some tests failed, see log with -v flag" );
+            done(false);
+            return;
+          }
+          grunt.log.oklns( "All "+ numberOfTests +" tests successful." ).ok();
+          done(true);
+        }
+      }
+    );
+  });
+};

package.json

@@ -20,6 +20,9 @@
   "dependencies"    : {
   },
   "devDependencies" : {
-    "async" : "*"
+    "async"               : "*",
+    "grunt"               : "~0.4.1",
+    "grunt-release"       : "~0.3.5",
+    "grunt-contrib-clean" : "~0.4.1"
   }
 }