Add Perl 5.18 modules for OSX 10.10/Yosemite
Add PurePerl 5.18 modules for OSX 10.10/Yosemite to 7.7
Merge branch 'public/7.7' into public/7.8
Merge branch 'public/7.8' into public/7.9

Change-Id: Ie44f0e4d09a8fff96ed77801d4b3dd9619ade2ab