Prepare README.md for subsystems
Switch to -std=c++11
Allocate memory in multiples of PAGE_SIZE
Include stdint.h for uint32_t
Create datastructure branch
Create datastructure branch

Conflicts:
	README.md
Add double linked list data structure
Create irq branch.
Create irq branch

Conflicts:
	README.md
Import exception and interrupt handling.
Create task branch.
Create task branch.

Conflicts:
	README.md
Import task subsystem.
Create syscall branch.
Create syscall branch.

Conflicts:
	README.md
Import simple syscall handler.
Add early_free(void *addr, size_t size)
Add exception, interrupt and syscall handling.
Add tasks and cooperative multitasking.