fix compilation error on jdk8: ensure the compiler doesn't complain
added support for having clause in global aggregate
and group by
"Merge pull request #1124 from mping/jdk8\n\nfix compilation error on jdk8: ensure the compiler doesn't complain"
update es/upstream to be jkd8 compatible
update crash to 0.10.0
added installation instruction for docker image
Merge pull request #1133 from crate/h/docker-installation

added installation instruction for docker image
support long getopt options in bin/crate

e.g. bin/crate --node.name=foobar
fixup! support long getopt options in bin/crate