REGRESSIONS updates based on past several days

New regressions
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* externRecordLostFields mismatched .bad on prgenv-intel (should be fixed now)


Improvements
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* miniMD darwin failures fixed (thanks Ben!)

* memleaks timeouts fixed by switching machines (thanks Thomas!)

* widecols failure silenced (thanks Lydia!)

* crazyRecord failure fixed (thanks Lydia!)

* cobegin-stacksize failures fixed on baseline and valgrind (thanks Elliot!)


Misc
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* note that darwin and baseline testing are now completely clean!

* retired the gasnet.linux32 configuration (due to timeouts, oversubscription,
  sense that people aren't going to do distributed memory 32-bit programming)
  in favor of no-local.linux32 (which should give us similar coverage of our
  generated code with fewer testing resources required)

* noted dates for new sporadic failures