- fixed a build failure on CentOS 7 (which has Java 8, but whose javadoc does not seem to support the -Xdoclint:none flag   while the Java documentation builds fine in its absence)
- fixed a build failure on CentOS 7 (which has Java 8, but whose javadoc does not seem to support the -Xdoclint:none flag
  while the Java documentation builds fine in its absence)

rvianello/rdkit,adalke/rdkit,ptosco/rdkit,greglandrum/rdkit,adalke/rdkit,rdkit/rdkit,rvianello/rdkit,rvianello/rdkit,bp-kelley/rdkit,bp-kelley/rdkit,greglandrum/rdkit,rdkit/rdkit,bp-kelley/rdkit,jandom/rdkit,bp-kelley/rdkit,rvianello/rdkit,bp-kelley/rdkit,rdkit/rdkit,greglandrum/rdkit,adalke/rdkit,greglandrum/rdkit,rvianello/rdkit,bp-kelley/rdkit,ptosco/rdkit,adalke/rdkit,rvianello/rdkit,bp-kelley/rdkit,jandom/rdkit,rdkit/rdkit,rvianello/rdkit,greglandrum/rdkit,ptosco/rdkit,adalke/rdkit,ptosco/rdkit,jandom/rdkit,jandom/rdkit,adalke/rdkit,ptosco/rdkit,jandom/rdkit,rdkit/rdkit,ptosco/rdkit,bp-kelley/rdkit,ptosco/rdkit,jandom/rdkit,greglandrum/rdkit,adalke/rdkit,ptosco/rdkit,rdkit/rdkit,greglandrum/rdkit,rdkit/rdkit,greglandrum/rdkit,jandom/rdkit,adalke/rdkit,rvianello/rdkit,jandom/rdkit,rdkit/rdkit