fix documentation warnings and broken links

gcontini

2020-11-29 ecd2f38f3d9c8b28aaa4c47bc09789f11dcaa7f7

 src/library/locate/ExternalDefinition.cpp

@@ -54,7 +54,7 @@
   if (licenseLocation == get_strategy_name()) {
      string licData(m_location->licenseData, mstrnlen_s(m_location->licenseData, LCC_API_MAX_LICENSE_DATA_LENGTH));
      if (m_location->license_data_type == LICENSE_ENCODED) {
         // FIXME what if license is wrong
         // FIXME what if license content is not base64
         vector<uint8_t> raw = unbase64(licData);
         string str = string(reinterpret_cast<char *>(raw.data()));
         return str;