Update it-IT (#501)
* Added italian translation for Image Converter
* Update JsonYaml.resw
* Update Common.resw
* Update SqlFormatter.resw
* Update JwtDecoderEncoder.resw
* Update JsonFormatter.resw
* Update XmlFormatter.resw
* Update GuidGenerator.resw
* Update GZipEncoderDecoder.resw
* Update MainPage.resw
* Update LoremIpsumGenerator.resw
* Update MainPage.resw
* Update Timestamp.resw
* Update NumberBaseConverter.resw
* Update XmlFormatter.resw
* Update LoremIpsumGenerator.resw
* Update SearchResult.resw
* Update ToolGroups.resw
* Update TextDiff.resw
* Update StringEscapeUnescape.resw
