fixes #94 migrating from underscore to lodash. backport

Conflicts:
	lib/util.js
	test/bem-make.js

lib/nodes/build.js

@@ -1,6 +1,6 @@
 'use strict';
 
-var _ = require('underscore'),
+var _ = require('lodash/dist/lodash.underscore'),
     Q = require('q'),
     QFS = require('q-io/fs'),
     FS = require('fs'),

lib/nodes/level.js

@@ -1,7 +1,7 @@
 'use strict';
 
 var Q = require('q'),
-    _ = require('underscore'),
+    _ = require('lodash/dist/lodash.underscore'),
     PATH = require('../path'),
     U = require('../util'),
     createLevel = require('../level').createLevel,

lib/tech/v2.js

@@ -4,7 +4,7 @@ var Q = require('q'),
     FS = require('fs'),
     QFS = require('q-io/fs'),
     bemUtil = require('./../util'),
-    _ = require('underscore'),
+    _ = require('lodash/dist/lodash.underscore'),
     PATH = require('./../path'),
     INHERIT = require('inherit'),
     LOGGER = require('./../logger'),

lib/util.js

@@ -10,7 +10,7 @@ var ASSERT = require('assert'),
     UTIL = require('util'),
     ENV = require('./env'),
     MKDIRP = require('mkdirp'),
-    _ = require('underscore');
+    _ = require('lodash/dist/lodash.underscore');
 
 exports.nodeVer = process.version.substr(1)
     .split('.')

package.json

@@ -33,7 +33,7 @@
     "qq": "~0.3.4",
     "q-io": "~1.10.3",
     "mime": "~1.2.5",
-    "underscore": "~1.3.1",
+    "lodash": "~2.2.1",
     "inherit": "~1.0.0",
     "borschik": "~0.3.5",
     "apw": "~0.3.9",

test/bem-make.js

@@ -4,7 +4,7 @@ var assert = require('chai').assert,
     UTIL = require('util'),
     PATH = require('path'),
     Q = require('q'),
-    _ = require('underscore'),
+    _ = require('lodash/dist/lodash.underscore'),
     QFS = require('q-io/fs'),
 
     BEM = require('..'),