Low: using $(MAKE) variable, boost parallel build time

which can be easily around 50% or more, depending on the HW (here
i7-3520M) and the level of parallelism:

$ ./configure; make clean; time make -j3
[...]
make[1]: warning: jobserver unavailable: using -j1.  Add `+' to parent
         make rule.
[...]
real        1m7.858s
user        0m58.931s
sys 0m5.991s

$ git am Low-using-MAKE-variable-boost-parallel-build-time.patch
$ ./configure; make clean; time make -j3
[...]
real        0m36.716s
user        1m15.494s
sys 0m6.016s

$ git reset HEAD^; git checkout .
$ ./configure; make clean; time make -j3
[...]
make[1]: warning: jobserver unavailable: using -j1.  Add `+' to parent
         make rule.
[...]
real        1m7.698s
user        0m58.568s
sys 0m6.183s

Signed-off-by: Jan Pokorný <jpokorny@redhat.com>
Fix spelling error
Merge pull request #523 from b1-systems/master

Update security.txt
Merge pull request #516 from jnpkrn/build-speedup

Low: using $(MAKE) variable, boost parallel build time
Merge pull request #524 from b1-systems/typo_fix

Fix spelling error
fixed PEP8 issues E303, E225 and E302 in CTS

* E303 too many blank lines
* E225 missing whitespace around operator
* E302 expected 2 blank lines, found n
Merge pull request #525 from berendt/pep8

fixed PEP8 issues E303, E225 and E302 in CTS
Merge pull request #527 from b1-systems/master

Update acls.txt