Reverted
80f60ef540528ec5304b9fb9624a7ff1b077f108
cf1f87948bcf9b8edf8487fa7938a928cfed8f2f
as also MinGW bails out. Don't add yet more quirks, keep in mind the faulty
behavior and hope for the best until solved.

Modifies the workaround of 6ecf6ea7

Zooming does now base on a geometric progression instead of an
arithmetic one.
Since the zoom factor is not only used in Draw but for all other
applications 1.2 seems like a good choice.

At least with gcc 4.6.2 the situation was that if /usr/include was missing
from the -I... includes, header files were pulled from /usr/include/
instead of solver/$INPATH/inc/external/

This clearly makes a difference for not --with-system-... libs where the
internal version is to be used.

Part XXXVII
Modules
svtools

Part XXXVI
Modules
svl

SvStream::ReadCsvLine doesn't need to be a member of Stream and the subcomment
about what's wrong with the method is longer than the body of the method.

Only used by calc, so can go into calc.

foul monstrosity back