replaced mimetype arg in HTTPResponse objects with content_type + fixed a url error from commit changing json to ldt_json + replaced md5 lib (deprecated) with hashlib.md5 for project id generation
Changed json.py to ldt_json.py due to import problem with python json module that now replace django simplejon + started replacing "mimetype" in httpresponses (deprecated) with "content-type" + added fields to forms that didn't declare fields as it's now required by django