Merge pull request #7 from JacksonTeh/master

Updated SerialInterrupt module
Merge pull request #8 from JacksonTeh/master

Rename IntelHexOperation header file
Integrate all code together in MPLAB - Build is Successful now
Modify 18c.h and replace p184520.h with 18c.h
Remove rs232.h in SerialInterrupt
 Remove useless code in masterMain.c
Change MPLAB file path
Added writeProgram() and it test code