Fixed library and apps maker.
library: line endings fix, file modes fix.
apps: add binman support and produce FUZIX executables
Merge pull request #19 from atsidaev/clean-apps

FUZIX executables generation
z80pack: use end of bounce buffer for swap stack

It's never doing both at once
i_alloc: shave another 60 bytes off
kn_open: shave off 30 bytes
process: Add loadav calculator.

Needs to be exposed nicely to userspace yet.

Also remove a dead FIXME in the process code
z80pack: remove facepalm
Makefile: put string constants from the startup into discard as well

This lets us undo the buffer hack in a bit
binman: Pack the _DISCARD section so it can be relocated and discarded

This means platforms need to adjust their crt0.s as per the following
z80pack commits
z80pack: Keep discard separate

We can now discard the _DISCARD segment - yay, another 1K
z80pack: link _DISCARD at 0xE000
kdata,start: undo the bufpool hack

The strings should now end up in _DISCARD without hackery
msx1: update to new discard
msx2: update to new _discard logic
nc100: update to new _discard
trs80: update to new _discard
pcw8256: update to new _discard
z80pack-lite: update to new _discard