Merge pull request #339 from shimingfei/tachyon-table-write

FileAlreadyExistException when writing tachyon table

Shark 0.9.2

shark v0.9.1

Shark v0.9.0 release

Merge pull request #253 from harveyfeng/tablescan

Correctly detect in-memory RDDs for table scans.

A few other version fixes

Shark 0.7.1 release

Shark 0.7.0 Release

Shark 0.2.1 release.

Shark 0.2.0 release.