Documention of Keystone assembler engine.

* How to compile & install Keystone from source.

    COMPILE.md

* How to compile & install Keystone from packages.

	http://keystone-engine.org/docs/

* Tutorial on programming with C & Python languages.

	http://keystone-engine.org/docs/tutorial.html

* Compare Keystone & LLVM.

	http://keystone-engine.org/docs/beyond_qemu.html
