fix many test problems (#1677)

* fix many test problems

- adds [stoppable](https://npm.im/stoppable) to force-stop net & http
  servers
- upgrades to latest mocha
- much cleanup of servers
- some removal of useless code

Signed-off-by: Christopher Hiller <boneskull@boneskull.com>

* increase wait time to hack at race condition

* PoC with fork of stoppable

Signed-off-by: Christopher Hiller <boneskull@boneskull.com>

* fix custom stoppable url for newer npm

* make travis go faster; attempt to avoid npm troubles

* fix coveralls executable path

* add extra time for flake to trigger spec

Signed-off-by: Christopher Hiller <boneskull@boneskull.com>

test/nodes/core/storage/28-tail_spec.js

@@ -130,15 +130,20 @@ describe('tail Node', function() {
         });
     }
 
-    it('should throw an error if run on Windows', function(done) {
+    it('should throw an error if run on Windows', function() {
         // Stub os platform so we can make it look like windows
         var os = require('os');
         var spy = sinon.stub(os, 'platform', function(arg) { return("windows"); });
 
         /*jshint immed: false */
-        (function() { tailNode("1234"); }).should.throw();
-        os.platform.restore();
-        done();
+        try {
+            (function() { tailNode("1234"); }).should.throw();
+        } catch (err) {
+            throw err;
+        }
+        finally {
+            os.platform.restore();
+        }
     });
 
     /*

test/nodes/core/storage/50-file_spec.js

@@ -28,7 +28,7 @@ describe('file Nodes', function() {
 
         var resourcesDir = path.join(__dirname,"..","..","..","resources");
         var fileToTest = path.join(resourcesDir,"50-file-test-file.txt");
-        var wait = 150;
+        var wait = 250;
 
         beforeEach(function(done) {
             //fs.writeFileSync(fileToTest, "File message line 1\File message line 2\n");