incubator-zeppelin git commit: Shell interpreter improvements

Repository: incubator-zeppelin Updated Branches: refs/heads/master 1b3784d23 -> 90cc2b3d1 Shell interpreter improvements Creating new PR with the changes from https://github.com/apache/incubator-zeppelin/pull/615 Please check the above PR for prior discussions. ### What is this PR for? *Provi

incubator-zeppelin git commit: Add tachyon interpreter

Repository: incubator-zeppelin Updated Branches: refs/heads/master 4a23139fd -> 1b3784d23 Add tachyon interpreter ### What is this PR for? Add an interpreter to work with a tachyon file system. Properties required for the interpreter are: * tachyon master hostname * tachyon master port ###