parallel: improve performance with bulk out

ioManager: refactor logging function

hlib: monopolize checkFocus function

build system: consolidate all userspace program Makefiles into one

use ld-level allocation of allocation data object for all programs and kernel

ioManager: remove redundant reference to keyCallback

hid: add parsing for keyboard keys

add mouse service to manage mouse position

shell / ioManager: don't allow backspace when input buffer is empty

fix issue with printing where the first message would not get printed

move 'gets'-functionality to ioManager to simplify the shell source code

add await syscall

check if a message should be printed to the main vga screen by checking if any syscall in the 'syscall stack' is the foreground process

pass keyboard input to shell

remove old log function, make \n mandatory for printing a new line

route the shell service to the vga output

rewrite general IO using an IO-manager