log functions: fix CT_DoLog and CT_DoExecLog

$@ and $* are different when in double quotes; use $* to print the message.

tools wrapper: move choice selection to a more appropriate place

Move the tools wrapper choice selection down to the companion libraries
sub-menu, to avoid the user going back and forth in the menu.

tools wrapper: fix config dependency

The tools wrapper is not needed only for canadian crosses, but also
for every other type of toolchain.

docs: typo in overview.txt

TODO: update

Add TODO list for m4, autoconf, automake and libtool.
Building our own versions would remove burden from the users
who have older versions on their distributions, and are not
ready/able/allowed to upgrade.

config.{gues,sub}: update

config: move the patch choice to the extract section

Choosing the origin of the patches to apply is best
done in the 'extract' section.

config: add fallback to patch order

Add the possibility to fallback to either bundled or local patches
if local or bundled are missing.

config: add the local,bundled patch order

This ordering first applies the local patches, then the bundeld ones.

config: make selecting the patch origin a choice rather than a bool