Nextflow

- Upgrade to Groovy 2.3.4
- Fixed method Path.list()
- Added '-notify' option to SGE qsub command to handle killed jobs correctly

- Added support for Modules package maages
- Fixed issue 1 - process hung when only a parameter of type 'each' is defined
- Fixed issue 6 -- exception while resuming a process that declares a parametric file output name
- Fixed support for curly brackets glob path matching in Channel.fromPath
- Updated Groovy runtime to 2.3.3
- Updated to Groovy-nio module in place of 'native' implementation

- Fixed issue 7 - NoClassDefFoundError HashMap$Entry exception with Java 8
- Enhanced launch script: removed '-Xms' Java option; verify the Java version coherent with JAVA_HOME definition; improved error messages.

- Fixed a ConcurrentModificationException issue on splitXxx method due to a misused Memoized annotation

- Added support for Java 8
- Upgraded to Groovy 2.3.0
- Upgraded to Kryo 2.24.0
- New splitter operators: 'splitText', 'splitFasta', 'splitFastq', 'splitCsv'
- New operator 'collectFile' to gather file chunks
- New operator Channel.fromPath which allows fine control on paths traversal
- Operator Channel.from has been deprecated in favor of Channel.fromPath
- Operator Channel.watch has been deprecated in favor of Channel.watchPath
- Clean-up API for operators: 'into', 'choice', 'separate', 'filter'
- Operator 'grep' has been removed and features included in 'filter' operator
- Deprecated 'chopXxx' operators
- Deprecated 'chunkXxx' operators
- Deprecated 'each' operator in favor of 'subscribe'
- Deprecated process 'merge' directive
- Executor service now uses a fixed thread pool
- Fixed issue on 'maxForks' process directive
- Added 'info' cli parameter
- Improved documentation

- Enhanced stability and errors reporting