Update up to changes in dom-ext
More generic <script> handling
Remove Makefile (it's cross-env package)
Reorganize so extensions are more clear

Additionally turn html5.js into index.js, and export real constructors
Fix listConstruct after latest refactor
Reorganize extension files
Descriptive signatures
Suport directives
Better directives handling
Moved modules out of 'lib' folder
Fix test
Update root path in package.json
Fix `normalize` method
Use default
Expose template methods on dedicated `ns` object
Directives per domjs instance
Fix directives handling
Make all ns methods enumerable