Add the installation section.
Drop PHP5.3.
[auto] Merge from Mail

    • #451e0e5 — Add the installation section. (Ivan Enderlin, 2014-09-17)
    • #e17de19 — Drop PHP5.3. (Ivan Enderlin, 2014-09-17)

---

Merge branch 'master' of /var/lib/git/repositories/Library/Mail