Admin/components/main

updated to polyml-5.7.1-7 (see also afa7c5a239e6);

#main components for everyday use, without big impact on overall build time
bash_process-1.2.2
bib2xhtml-20171221
csdp-6.x
cvc4-1.5-4
e-2.0-2
isabelle_fonts-20180113
jdk-8u172
jedit_build-20180504
jfreechart-1.5.0
jortho-1.0-2
kodkodi-1.5.2
nunchaku-0.5
polyml-5.7.1-7
postgresql-42.2.2
scala-2.12.6
smbc-0.4.1
ssh-java-20161009
spass-3.8ds-1
sqlite-jdbc-3.23.1
vampire-4.2.2
verit-2016post
xz-java-1.8
z3-4.4.0pre-2