Generalize resource generation.
Don't explicitly declare header dependencies.

There's no need to declare header dependencies (if the header isn't
autogenerated), as CMake automatically checks them.
Merge pull request #8 from Ventero/res

Generalize resource generation and simplify CMake file
Switched to using functions for each opcode.
Added sublime text configuration files.
Fixed alignment in chip8.h
Removed unnecessary sublime config file.
Removed unused variable warnings CLS and RET.