lgstool: Don't depend on blobbity

An appropriate version of blobbity is pulled in with logstore, don't
depend on it explicitly, as that may lead to version conflicts.

Signed-off-by: Gergely Nagy <algernon@balabit.hu>
project.clj: Add an alias for lein push

Signed-off-by: Gergely Nagy <algernon@balabit.hu>