Rewrited main entry point for modularity

Moved /arch/x86/init to /init
Removed tests from entry.S
Added kmodules section in linker.ld
Changed version number type
Rewrited module.h by adding internal modules
Added interrupts and frame_bitmap module structures
Added target in kernel.mk makefile
Edited tools
Added multiboot module initiation

Fixes
Added scheduler module
Added LOG_MODULE function

Edited log line format