Fixed blank in readme
Fixed bug which was preventing the caching mechanism to work properly
New command line option '-log' to specify the application log file
New command line options '-task.xxx' to task default parameters (overriding the ones in the configuration file)
Typo in the version number
Removed deprecated class Channel
Importing StringUtils, @Field, Dataflow.splitter, Dataflow.operator, Dataflow.select, Dataflow.selector, dataflow.prioritySelector
Fixed misused CountDownLatch by replacying with Phaser class
Fixed a bug by which cached tasks didn't print out any result when 'echo' was set
Added current day and month in logger timestamp
Fixed issue with on scratch ram-disk
Fixed local timestamp
Fixed a bug in the timezone handling in the build timestamp