Update to newest version of eslint and chai. Fix eslint issues

lib/renderer.js

@@ -110,10 +110,10 @@ rules.link_close = function (/* tokens, idx, options, env */) {
 };
 
 
-rules.image = function (tokens, idx, options, env, self) {
+rules.image = function (tokens, idx, options, env, renderer) {
   var src = ' src="' + escapeHtml(tokens[idx].src) + '"';
   var title = tokens[idx].title ? (' title="' + escapeHtml(replaceEntities(tokens[idx].title)) + '"') : '';
-  var alt = ' alt="' + self.renderInlineAsText(tokens[idx].tokens, options, env) + '"';
+  var alt = ' alt="' + renderer.renderInlineAsText(tokens[idx].tokens, options, env) + '"';
   var suffix = options.xhtmlOut ? ' /' : '';
   return '<img' + src + alt + title + suffix + '>';
 };

package.json

@@ -31,10 +31,10 @@
     "autoprefixer-stylus": "~0.5.0",
     "benchmark": "~1.0.0",
     "browserify": "*",
-    "chai": "~1.10.0",
+    "chai": "~2.0.0",
     "commonmark": "~ 0.17.1",
     "coveralls": "~2.11.2",
-    "eslint": "0.13.0",
+    "eslint": "0.14.1",
     "eslint-plugin-nodeca": "^1.0.0",
     "istanbul": "*",
     "jade": "~1.9.2",

test/misc.js

@@ -32,7 +32,7 @@ describe('API', function () {
   it('plugin', function () {
     var succeeded = false;
 
-    function plugin(self, opts) { if (opts === 'bar') { succeeded = true; } }
+    function plugin(_, opts) { if (opts === 'bar') { succeeded = true; } }
 
     var md = markdownit();