Merge pull request #13 from kshah2451/kshah2451

Added keyboard header files with constants defining make codes
4-lane gameplay, cleaned up some code
Merge pull request #15 from kshah2451/cerealb0x

4-lane gameplay, cleaned up some code
updated qsys processor to f, and timer to 50 ms
Merge branch 'master' of https://github.com/kshah2451/EECE-381-Module-1
fixing the keyboard codes include everywhere
cleaning up unneccessary folders
expanded sharks to four lanes, bullets are independent and towers can have more than one at a time
Merge pull request #16 from kshah2451/BTowns

expanded sharks to four lanes, bullets are independent and towers can ha...