FileInputFormat.acceptFile() to filter out files and directories while creating input splits (like _log or _SUCCESS)
Merge pull request #108 from rmetzger/gith_input_format_filter

Ignore system files when using FileInputFormat
Generate source attachments for each subproject
Add methods to get optimized plan from LocalExecutor
Merge pull request #129 from uce/add_plan_dump_to_local_executor

Add methods to get optimized plan from LocalExecutor
Merge pull request #126 from rmetzger/gith_maven_sources

Generate source attachments for each subproject
remove maven source plugin from 'nephele.pom'
Add scala code to mainline
Merge pull request #135 from aljoscha/add-scala-frontend

Add scala code to mainline