weighted training test
failing test set to manual
test passes with syntax fix
update weighted training test
PLAT-539:
  log exceptions in one shot on stderr, to reduce the risk of display mishmash caused by thread concurrency
  avoid allocations when std::bad_alloc is thrown
  added a char * version of demangle, suitable for use in a buffer, in addition to the std::string version
  added a char * version of backtrace, suitable for use in a preallocated buffer
PLAT-539: renamed override of demangle to char_demangle
PLAT-539: fixed build error on Bamboo by ensuring that we only free the heap version of the demangled exception name
PLAT-545: include cstring so that strcpy is declared
Merge pull request #3 from datacratic/PLAT-545_missing-strcpy-decl

Plat 545 missing strcpy decl
Merge branch 'master' of https://github.com/datacratic/jml into datacratic-internal-branch-4
Fixed PEP8 errors
antoi support for negative numbers on base 10
Merge pull request #4 from datacratic/antoi_update

Antoi update
expose the number of threads used for s3 upload (PLAT-563)
Merge branch 'master' of https://github.com/datacratic/jml into datacratic-internal-branch-4