Fix few memory handling issues
created folder to add images for the picoTCP wiki on github
Update README.md

Added reference to wiki
Add windows TAP driver; initial version.
Increased quality of pico_dns_client code

- Abstract interpretation annotations taken into account
Remove leftover printfs from windows TAP driver
replaced malloc and free references
Increased quality of pico_sntp_client

- Fixed 2 remarks from Abstract Interpretation tool
Removed dead code in socket_udp
completed list of supported architectures. Except for str9 since I don't know the reference hardware
Arifulla: Added bugs in stack/pico_frame.c from line 21-41