message: Send project color in lowercase as that is what API accepts (lib)
diff: #include "Poco/UTF8String.h"
  #include "Poco/NumberParser.h"
  +#include "Poco/UTF8String.h"
  #include "./formatter.h"
  @@ -85,7 +86,7 @@ void Project::SetBillable(const bool value) {
  void Project::SetColor(const std::string value) {
  if (color_ != value) {
  - color_ = value;
  + color_ = Poco::UTF8::toLower(value);
  SetDirty();
  }
  }
  @@ -154,7 +155,7 @@ Json::Value Project::SaveToJSON() const {
  // There is no way to set it in UI and free ws gets error when it's sent
  // n["billable"] = Billable();
  n["is_private"] = IsPrivate();
  - n["color"] = Color();
  + n["color"] = Poco::UTF8::toLower(Color());
  n["active"] = Active();
  return n;
  