Issue #pos-25: reactivate tests, quit batch on active AppVeyor, added yml file for AppVeyor
Issue #pos-25: Update the readme file to show current build status on AppVeyor
Issue #pos-25: use the latest packages found by Paket - if you do not fix the versions on the dependencies file
Issue #pos-25: let Paket update to the latest available version if possible
Issue #pos-25: use FAKE from the packages directory of the backoffice to be sure to use the latest version
Issue #pos-22: Add RaiseEventTrigger to show popup
Merge branch 'feature/25_AppVeyor' into develop
Merge branch 'develop' into feature/22_PrismDialogs
Issue #pos-22: use Blend 4.5 SDK assemblies