Add windows to travis (babel#10249)

* Add windows to travis

* Update

* Do not use sh file on windows

* Fix whitespace

* Unify command

* ./ doesn't work on windows

* Remove all ./ usages

* Run windows test before others

* fix: normalize filename when generating sources

sources should be URL.

* fix: replace normalized path to cwd

* chore: add nodePlatform task options

* fix: normalize preset-env filename output

* chore: replace normalized path to CWD on win32 platform

* limit transform-react-source to run on linux and darwin

* test: escapeRegExp on testcases

* test: add test for babel --filename on windows

* test: double babel-node/cli test timeout

* chore: workaround windows build does not stop

* chore: remove redundant condition

* refactor: rename `nodePlatform` to `os`

test/index.js

@@ -198,7 +198,7 @@ fs.readdirSync(fixtureLoc).forEach(function(binName) {
         opts.inFiles[".babelrc"] = helper.readFile(babelrcLoc);
       }
 
-      it(testName, buildTest(binName, testName, opts));
+      it(testName, buildTest(binName, testName, opts), 20000);
     });
   });
 });