please review my elf-dev branch

[virtuoso]

https://github.com/virtuoso/koowaldah/commits/elf-dev

starting from "hack: add klcc..." up to "elf: beginning"
Quite a lot of it is cleanups. Elf loader can currently load and run a simple binary on both i386 and dummy (and it's the same binary). It lacks, for example, text relocation detection so far.

@xl0, @kiryl : rfc. (wonder how "mentioning" works)