Removing unused project apijson
Changed PiplineExecutionResponse to use a PipelineStatus.

This means the content of the PipelineExecutionResponse and
PipelineStatusResponse are more similar.
Complete Execution of Pipelines and returning responses.
Merge branch 'master' of github.com:SEDTT/visko-online

Avoid readding removed files :(

Conflicts:
	java/apijson/.classpath
	java/apijson/.project