tor 0.2.5.5 (devel)

>  Tor 0.2.5.5-alpha fixes a wide variety of remaining issues in the Tor
>  0.2.5.x release series, including a couple of DoS issues, some
>  performance regressions, a large number of bugs affecting the Linux
>  seccomp2 sandbox code, and various other bugfixes. It also adds
>  diagnostic bugfixes for a few tricky issues that we're trying to
>  track down.

* Announcement: https://lists.torproject.org/pipermail/tor-talk/2014-June/033347.html

<del>(Note around old line 25: the `tor-ctrl` contrib script appears to have been removed from the source tarball in this version, so I've removed portions related to that from `install()`)</del>