Add documentation for -fb option

XmlSchemaClassGenerator.Console/Program.cs

@@ -56,7 +56,7 @@ A file name may be given by appending a pipe sign (|) followed by a file name (l
 If no mapping is found for an XML namespace, a name is generated automatically (may fail).", v => namespaces.Add(v) },
  { "o|output=", "the {FOLDER} to write the resulting .cs files to", v => outputFolder = v },
  { "i|integer=", @"map xs:integer and derived types to {TYPE} instead of automatic approximation
-{TYPE} can be i[nt], l[ong], or d[ecimal].", v => {
+{TYPE} can be i[nt], l[ong], or d[ecimal]", v => {
  switch (v)
  {
  case "i":
@@ -73,7 +73,7 @@ A file name may be given by appending a pipe sign (|) followed by a file name (l
  break;
  }
  } },
- { "fb|fallback|use-integer-type-as-fallback", v => useIntegerTypeAsFallback = v != null },
+ { "fb|fallback|use-integer-type-as-fallback", "use integer type specified via -i only if no type can be deduced", v => useIntegerTypeAsFallback = v != null },
  { "e|edb|enable-data-binding", "enable INotifyPropertyChanged data binding", v => enableDataBinding = v != null },
  { "r|order", "emit order for all class members stored as XML element", v => emitOrder = v != null },
  { "c|pcl", "PCL compatible output", v => pclCompatible = v != null },