Rename malware.py to imalware to be in sync with diagram
Edited apkmalware to get correct interface class from the interfaces directory.
Imalwarecorpus was moved to the interfaces directory
Imalwarecorpus factory was moved to the interfaces directory.
apkdirectory was modified to get files from core and interfaces
ramresident was changed to get base class from interfaces
apkdirectory inherits from parent class in interfaces directory.