Added field for showing the ebook pub type. REOL-92
Changed to allow getting a product. REOL-92
Added getting product function. REOL-92
Added field for showing the reader of an audiobook. REOL-92
Added field for showing genre from Publizon. REOL-92
Exported the newly added field configuration. REOL-92
Fixed issue where getimagesize failed.
Allow stage file proxy module without uploading as well.
Merge pull request #49 from eReolen/feature/correct_material_info

Feature/correct material info