Release 0.5.0

API change

• Remove module-level api like dpark.textFile.
• Support Streaming shuffle and Disk shuffle (Experimental, compatible).

Fixes

• Bug when parsing mfs chunk info.

Improvement

• Better broadcast impl using shared memory for tasks on the same slave to reduce memory cost.
• Better offer-matching logic for MesosScheduler which remember bad slaves.
• Refactor: style and layout.

New Feature

• Multi segment dump to save memory.
• Gather statics for stage.
• Support run tests/test_rdd on mesos.
• Add colorful progress bar for dpark.
• Support mesos role.
• Support multi named mesos master in conf.
• Loghub for admin.