Updated browserify version

Also added support for defining transforms and externals on
BrowserifyAsset
Switched from bundle.require to bundle.add for entry point file
Uncommented error handling
A more flexible way to define requires
AngularTemplates asset should compile jade
fix recursing directories for angular templates & add root option
Add `prepend` option to BrowserifyAsset and update readme
allow multiple assets to be prepended
fix backwards compatibility with previous version of angular-templates assets+

* Update readme with examples
* Change `root` option to `templateCacheDirname`: more descriptive
bugfixing and refactoring
add `clientVariable` option to `AngularTemplatesAsset` and update readme
bugfix
bugfix
Browserify filename optional
Merge pull request #1 from boblauer/latest-browserify

Latest browserify
More robust watching
No error thrown if asset doesn't exist
Merge pull request #2 from boblauer/no-error

No error thrown if asset doesn't exist
Merge pull request #3 from boblauer/better-watching

More robust watching
Better watching on less files