gnu: Add java-mvel2. * gnu/packages/java.scm (java-mvel2): New variable.
gnu: Add java-jnacl. * gnu/packages/java.scm (java-jnacl): New variable.
gnu: Add java-testng. * gnu/packages/java.scm (java-testng): New variable.
gnu: Add java-fest-assert. * gnu/packages/java.scm (java-fest-assert): New variable.
gnu: Add java-fest-test. * gnu/packages/java.scm (java-fest-test): New variable.
gnu: Add java-fest-util. * gnu/packages/java.scm (java-fest-util): New variable.
gnu: Add java-jmock-legacy. * gnu/packages/java.scm (java-jmock-legacy): New variable.
gnu: Add java-jmock-junit4. * gnu/packages/java.scm (java-jmock-junit4): New variable.
gnu: Add java-jmock. * gnu/packages/java.scm (java-jmock): New variable.
gnu: Add java-bsh. * gnu/packages/java.scm (java-bsh): New variable.
gnu: Add java-jcommander. * gnu/packages/java.scm (java-jcommander): New variable.
gnu: java: Fix libjvm.so linkage problem in icedtea-7. * gnu/packages/java.scm (icedtea-7): Add phase to create a symbolic link to libjvm.so.
gnu: Add java-jboss-javassist. * gnu/packages/java.scm (java-jboss-javassist): New variable.
gnu: Add java-assertj. * gnu/packages/java.scm (java-assertj): New variable.
gnu: Add java-guice-servlet. * gnu/packages/java.scm (java-guice-servlet): New variable.
gnu: Add java-guice. * gnu/packages/java.scm (java-guice): New variable.
gnu: Add java-javax-inject. * gnu/packages/java.scm (java-javax-inject): New variable.
gnu: Add java-aopalliance. * gnu/packages/java.scm (java-aopalliance): New variable.
gnu: Add java-hdrhistogram. * gnu/packages/web.scm (java-hdrhistogram): New variable.
gnu: Fix the hashes of mutated GitHub archives. Fixes <https://bugs.gnu.org/28745>. * gnu/packages/audio.scm (csound): Fix hash. * gnu/packages/engineering.scm (fritzing): Likewise. * gnu/packages/erlang.scm (erlang): Likewise. * gnu/packages/fonts.scm (font-google-material-design-icons): Likewise. * gnu/packages/graphics.scm (ogre): Likewise. * gnu/packages/java.scm (java-plexus-interpolation, antlr3): Likewise. * gnu/packages/serialization.scm (yaml-cpp): Likewise. * gnu/packages/version-control.scm (libgit2): Likewise. Signed-off-by: Ludovic Courtès <ludo@gnu.org>