Bosco: Removed spurious ^M chars and debug messages from htsub.

From OSG Jira CAMPUS-101
Bosco: Fix writing of config file for default grid_resource value.

Exit 0 if test job still queued (needed in quickstart)

From OSG Jira CAMPUS-101
Various fixes to bosco_quickstart.

Simplified all messages.
Less output, progress marker printed, output in log file.
Download URL updated to 1.2.
Added possibility to patch bosco_cluster.
Multiline echo -e replaced.
Fixed problem with different user name.

From OSG Jira CAMPUS-101
Minor changes to bosco_quickstart suggested by Miha.

From OSG Jira CAMPUS-101
Bosco: Fixed logic when condor failed to stop.

From OSG Jira CAMPUS-101