107-PV-launch the import process

Story: 107-PV-launch the import process as a spring scheduled task
Refactor the whole process.
remove printStackTrace method

replace it with logger
LOGGER.error(e.getMessage());
LOGGER.debug(e.getMessage(), e);
Merge remote-tracking branch 'robworth/develop' into bugfixes/1.1-SNAPSHOT
2 bugs fixed

1.107 - PV - launch the import process as a spring scheduled task
2.Job execution error
remove debug message

remove test message in XmlImportJobQuartzScheduler.
tidy up the unused classes

107 - PV - launch the import process as a spring scheduled task
both are fixed.
Merge pull request #90 from lu-yang/bugfixes/1.1-SNAPSHOT

removal of print stack traces, the batch job for the results importer and importer refactor