care for Java 1.5 support in external packages

apache commons-lang 3.3.1 and commons-codec 1.9 are for use
only with JDK 1.6 and higher

see commits:
  1731f6e692bb0a07a2bca4b1b190163f209d2b9e "bump apache-commons-lang to 3.3.1"
  3dad9b1019bebcc6db63a424afa146e007f768d2 "bump apache-commons-codec to 1.9"

Change-Id: I3e71f6474becafe6c91836bbac5c6a8b7ca3442c
Reviewed-on: https://gerrit.libreoffice.org/9312
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>