[FIX, #645] fix memory access violation in ms-numpress
[FIX] MS Numpress upstream fixes

- update to commit 21259b4a9eba62e8c398c2cfef4e80b875ff91d5 at
  https://github.com/ms-numpress/ms-numpress
[TEST] add test for corrupt numpress mzML file

- the corrupt file should not be read but rather a ConversionError
  should be thrown
[FIX] numpress fix

- wrong description was used for MS:1002313 CV term
[FIX] add CV terms for MS Numpress

- allows OpenMS to also read ms-numpress files (and not complain any
  more about unknown CV values)
Merge pull request #649 from hroest/fix-ms-numpress

Fix ms numpress