[zanata/zanata-server] f480c1: Avoid hard-coding http for gravatars

[GitHub]

  Branch: refs/heads/fix-gravatar-warning
  Home:   https://github.com/zanata/zanata-server
  Commit: f480c1a510bfb73c5e72e9dfa3c6ec43115c4d51
      https://github.com/zanata/zanata-server/commit/f480c1a510bfb73c5e72e9dfa3c6ec43115c4d51
  Author: Sean Flanigan <sflaniga at redhat.com>
  Date:   2013-10-21 (Mon, 21 Oct 2013)

  Changed paths:
    M zanata-war/src/main/java/org/zanata/service/impl/GravatarServiceImpl.java

  Log Message:
  -----------
  Avoid hard-coding http for gravatars

This should fix the warning: "The page at https://zanata... displayed
insecure content from http://www.gravatar.com/avatar/..."