Fixing missing assignment for test fixture state in IssueFormTypeTest
Adding new ProjectManager::find() method for easing the loading of projects by their ID
Adding data transformer for the project picker field typw
Adding ProjectPickerType form field type, updating container configuration with new types
Adding project PickerController, updating container config, adding route for project picker
Adding missing Issue::getAttachments() method, updating Issue::setAttachments() so that it allow standard php array
Updating IssueFormType builder with fields, updating test
Updating IssueFormType attachments options
Adding stub IssueAttachmentFormType, updating container config