TRQ-1054: implement function set_str_csv for parsing attr CHECKPOINT_DEFAULTS
TRQ-1054: added unit test for set_str_scv

- fix memory leak in remove_csv_item
- implemented unit test for set_str_csv
TRQ-1054: fix processing operations '+=' and '-=' with list of parameters
TRQ-1054: implement estention in unit test for set_str_csv()

- remove stubs of csv_* functions from scanffolding
- add source Libcsv/csv.c to several Makefiles in unit tests
- implement extentsion in unit test for testing set_str_csv()
TRQ-1054: fixes after code review

- add comments
- check coding standard
TRQ-2652: add_verify_resources support values in [] without quotation

- changes for add_verify_resources
- implement UT
Fix a bug in the code ported for libmunge
Change a return(0) to a return(PBSE_NONE)
Make address caching more robust.

If looking up an address in the cache fails, make the function attempt
to resolve the bad ip address and return it if it can resolve it, only
failing if it can't truly be looked up.
Fix a mistake in the previous check-in.
TRQ-2261: reinit errmsg in case err info is empty and errcode has set
TRQ-2261: fix coding style
TRQ-2882. Improve the trqauthd error messages.
TRQ-2863. Remove a redundant error message.

If TORQUE is in an HA setup, don't log an error each time the first server can't be contacted. Only log a message if none of the servers can be contacted.
Fix some unit test unhappiness.
Merge pull request #260 from DSRCompany/trq-2261_qstat_fails_with_no_errmsg

TRQ-2261: qstat fails with no errmsg
Merge pull request #259 from DSRCompany/trq-2652_error_allocation_memory_for_add_verify_resources

TRQ-2652: add_verify_resources support values in [] without quotation
Merge pull request #248 from DSRCompany/trq-1054_qmgr_checkpoint_syntax

TRQ-1054 qmgr checkpoint syntax is not consistent
Added append note (-A) feature to pbsnodes
Merge pull request #264 from starboarder2001/develop

Added append note (-A) feature to pbsnodes