Fixed deletion of ssh keys (HOME instead of tilda) in bosco_uninstall.

From OSG Jira CAMPUS-110
Fixed wrong reference to user_job_wrapper.sh in Campus Factory.

From OSG Jira CAMPUS-125
Removing OSG_GRID export from the user_job_wrapper in Campus Factory.

From OSG Jira CAMPUS-124
Fixing bug in Campus Factory when CONDOR_IDS does not exist.

From OSG Jira CAMPUS-123