Bugfix #141: updated the js lib to 4.0.9.

The view store implements the Stringable interface.

Updated the js lib to 4.0.7.

Fixed the tests.

Merge pull request #135 from walmartshopper/patch-1

Updated JS lib to 4.0.5

Fixed js class generation.

When a dir contains a class and a subdir with the same name, the file js code overwrites the dir one.

Read the annotations or attributes depending on the package or app co…

…nfig.

Bugfix #128: use the js lib with the fix.

Upgraded to the v4.0 of the js library.

Updated the js file URL.