Merge pull request #126 from lasanthafdo/master

Removed additional features; Fixed build warnings
dataset service is updated for model output displaying
model service is updated for displaying model performance
resolve a conflict
added updated DatasetService interface
model building UI is updated
add few more error checks for model buildin page
Model build json modified
Merge pull request #128 from SupunS/master

Model build json modified
model service changes
Merge pull request #129 from lochana/master

model service changes
confusion matrix added
Merge pull request #130 from lochana/master

confusion matrix added
Added osgi dependencies of spark orbit at ML feature level
Merge remote-tracking branch 'upstream/master'

Conflicts:
	modules/components/org.wso2.carbon.ml.model/src/main/java/org/wso2/carbon/ml/model/ModelService.java