Admin/components/main

updated to xz-java-1.8;

#main components for everyday use, without big impact on overall build time
bash_process-1.2.2
bib2xhtml-20171221
csdp-6.x
cvc4-1.5-3
e-2.0-1
isabelle_fonts-20180113
jdk-8u162
jedit_build-20180417
jfreechart-1.0.14-1
jortho-1.0-2
kodkodi-1.5.2
nunchaku-0.5
polyml-5.7.1-5
postgresql-42.1.4
scala-2.12.5
smbc-0.4.1
ssh-java-20161009
spass-3.8ds
sqlite-jdbc-3.20.0
verit-2016post
xz-java-1.8
z3-4.4.0pre-1