Add modal ustsvza form
Update forge to version 0.1.14
Include forge/js/pem.js
Include sha256 hash as well.
p12.verify has been removed, MAC verification is done immediately now.
Push branches and tags on autodist.
Merge branch 'wip-forge-update'
Add UStSvzA object and fix modal form
Add test on UStSvzA class and fix kz38 validation.
Fix generated XML for Dauerfristverlaengerung

Kz38 must not be exported with content NaN of course :-)
Import official schema files for 2013.
Pass on UStSvzA data to send taxcase wizard.
Trigger change on SVZ-Kz38 to store data to model.
Consider empty SVZ-vjsum as erroneous.
Merge branch 'wip-ustsvza-modal', closes #27
Fix version number in test reference files.
Add new test reference files to version_files list.
Install new files.
Bump version to 0.6.0