OpenSSL 1.0.1j for gitian build process (and some docs)

Changes gitian build scripts for linux and windows to use OpenSSL 1.0.1j, see: https://www.openssl.org/news/secadv_20141015.txt

osx scripts have other issues (they have not been updated to dogecoin dependencies) so those will go into a separate change.

Please note that although the input for qt-win.yml changes for consistency, the output does not, so the version number for qt-win*-5.2.0-gitian intermediates remain at r3.