MF_AVAILABLE

getModelFeatures2 test base

stash

decouple build from webrequests via include in behaviour.h

See merge request !2614

behaviour.h is included by almost all files

model-features: drop const from features member variable

See merge request !2613

the vector is populated by copy and we
return by copy not by reference. This allows to add
new member wihout specifying the template parameters

model matrix: simplify

See merge request !2612

ds-json: point out that NaN/Infinite conversion is ECMA262 and breaks (RFC) json parsers

See merge request !2609

ds-json: show that that NaN/Infinity violate RFC 7159(JSON).

/json_object.c#L966:
  /* Although JSON RFC does not support
   * NaN or Infinity as numeric values
   * ECMA 262 section 9.8.1 defines
   * how to handle these cases as strings
   */