Fix typo in README.md, "Layout Reloading" section
Fix handling `<script src>` tags with no `type` attribute

Avoid setting the dynamic `script.src` to "undefined".

Closes #271
Have minifiers retain the copyright notice in source

C-style block comments that start with `/*!` remain untouched by
minifiers such as YUIMin, JSMin, etc.

Closes #352
Indicate MIT license in source code

Fixes #407
Merge pull request #376 from VesQ/patch-1

Fix typo in README.md, "Layout Reloading" section