Fix InstallerBundle specs
Polish CartBundle specs
Polish OrderBundle specs
Polish ResourceBundle specs
Polish PayumBundle specs
Fix PromotionBundle specs
Polish ProductBundle specs
Polish VariableProductBundle specs
Various simple specs for bundles
Polish CoreBundle specs
Fix composer.json for PaymentsBundle
Fix composer.json for PromotionBundle
Fix composer.json for VariableProductBundle
Merge pull request #606 from stloyd/feature/bundle_specs

Fixing & polishing random bundle specs
Rename PaymentsBundle into PaymentBundle