added description for each demo
Removing scalability demo from default build and ship list
changed Nonnull to NotNull annotation
MLHR-1412 #resolve corrected manifest entries in the low level jar file within app packages
Merge branch 'dt-dev' of https://github.com/DataTorrent/Malhar into dt-dev
added not null validation to filePath
Move application to test package as they depend on contrib-test.
SPOI-3213 removed copy-maven-plugin as it does not work with maven 3.1 or newer
Merge pull request #1071 from ashwinchandrap/filePathValidation

added not null validation to filePath
MLHR-1419 #comment #resolve Marked transient the field that is generated during setup and doesn't need to be serialized
Merge pull request #1082 from PramodSSImmaneni/dt-dev

MLHR-1419 #comment #resolve Marked transient the field that is generated...
MLHR-1416 #comment Provide api to track the kafka consumer offset fix a
offset reset bug in SimpleKafkaConsumer
MLHR-1416 #comment refine the OffsetManager interface
offsetManager cannot be transient