Adding ability for Bosco (campus factory) to limit held jobs

The campus factory added the feature to stop submitting to a down
or malfunctioning resource.  This commit adds that feature
to Bosco.

From the OSG Jira: http://jira.opensciencegrid.org/browse/CAMPUS-81
Update URLs in bosco_findplatform to bosco-1.1.2
Explicitly disable core file generation for Bosco installations.

From the OSG Jira: http://jira.opensciencegrid.org/browse/CAMPUS-83
Add ClassAd attribute passing to DAGMan Vars #3469

Implement this request from Igor:

	Date: Thu, 24 Jan 2013 08:57:03 -0800
	From: Igor Sfiligoi <sfiligoi@fnal.gov>
	To: <htcondor-support@cs.wisc.edu>
	Subject: Re: [htcondor-support 8254] dagman does not allow variables that
	 start with a plus

	On 01/24/2013 08:38 AM, htcondor-support response tracking system wrote:
	> On Thu, Jan 24, 2013 at 10:31:30AM -0600, johnkn wrote:
	>> Dear HTCondor team.
	>>
	>> I just found out that a DAG node cannot be passed a variable that
	>> starts with a plus (+).
	>>
	>> Why?
	>> Looks like dagman just fails while verifying the variable name, even
	>> if this name would be happily accepted by condor_submit -a !
	>>
	>> It would be very useful to add arbitrary attributes that get
	>> propagated in the job classad, without the need to explicitly
	>> reference them in the submit file.
	>>
	>> Can this be considered a bug, and fixed ASAP?
	>>
	>> Thanks,
	>>     Igor
	>
	> Igor, just to be clear:
	>
	> Do you mean that you cannot have a line like
	>
	> VARS +A="bob"
	>
	> in your DAG file?
	Correct.

	Igor

Add test case for using attributes in DAGMan Vars.  Add version history
and update the manual.
classad::Value::IsNumber() now considers booleans as numbers. #3468

Boolean values can be used in arthimetic operations in a classad
expression, and it's common for preemption rank expressions in Condor to
evaluate to a boolean. In fact, use of Value::IsNumber() in the
negotiator was causing the default NEGOTIATOR_PRE_JOB_RANK to not sort
properly.
Version history for boolean values in RANK expressions. #3468
tiny typo fix in 7.9.4 version history item
===GT=== #3431
Minor edit.
===GT=== #3418
modify 7.9.4 version history item.  Needed to change because of #3418.
===GT=== #1419
Restore old signal escalation semantics by adding
JOBS_REQUEST_GRACEFUL_REMOVAL which defaults to false.  Also allow
remove_kill_sig to define the kill signal and prefer it to kill_sig if
both are defined. #3470
remove FreeBSD7 and WindowsXP from list of platforms that master branch builds on in NMI
FreeBSD7 will most likely be replaced with FreeBSD9,  WinXP with Windows8/XP
===VersionHistory:None===
Edit documentation, correct spelling, and relocate if needed for
alphabetization
===GT=== #3333
Merge branch 'master' of /p/condor/repository/CONDOR_SRC
minor changes to 7.9.4 version history item and fix typo found in defn
of COLLECTOR_NAME
===GT=== #3467
Condor -> HTCondor and ad -> ClassAd for 7.9.4 version history item
===GT=== #3468
Changed JOBS_REQUEST_GRACEFUL_REMOVAL -> GRACEFULLY_REMOVE_JOBS and it is
now a default for whether to gracefully remove jobs.  #3470
Added protection against LookupBool changing semantics. #3470
Version history for blahp querying Condor timeout bug fix. #3429
Merge branch 'V7_9-bosco-publicbranch'
Adding detection of empty hostname in a bosco cluster test.

From the OSG Jira CAMPUS-77