Initial es6 module gulp plugin

* Hard codes toAMD compiling
* Only a few tests
More tests

* Added some tests stolen from the es6-module-transpiler repo
* Did some loopage to make testing easier
Add in support for moduleName

* Test module name support either pass in empty string of moduleName
* Test import globals fixture using imports option
Update readme
Fix invalid example in readme
Add support for moduleName callbacks

For example,

moduleName: function(defaultName, file) {
  return 'foo/' + name;
}

The callback takes two arguments, the default module name and the source
file object. The default module name is file.relative. Anonymous modules
can be configured via the opts.anonymous option.
Bump version to match semver
using ES6 Module Transpiler v0.4.0
Merge pull request #4 from dreame4/master

Using ES6 Module Transpiler v0.4.0. Fixes #3.
Version bump
Added module prefix option
Merge pull request #8 from toranb/add_prefix

Added module prefix option
Release history update
Replace backslashes in file paths for module names

Fixes #6
Merge pull request #10 from jlamontagne/fix-windows-backslashes

Replace backslashes in file paths for module names, fixes #6.
Release history update