moved importJobsMOC and importBuildsMOC initializers to AppDelegate
corrected tests for JenkinsInstance api changes
Added jobURL field and constructor for Build model that takes jobURL. Modified tests and created passing test to create build with minimal values without relation to job.
added jobURL to build model and removed relation between Job and Build
Moved the import jobs and import builds MOC’s back to RequestHandler
now importing builds from job details, skipping build details on initial import.
removed last imported build field from job model.
Merge branch 'flatSimpleBuilds' into removeLastImportedBuild
merging flatSimpleBuilds branch