Build with latest libstrophe

Tag 0.4.5.rc1
Announce release candidate at mailing list

Test with valgrind using new commands

Update website help

Tag libstrophe release 0.8.7
    https://github.com/strophe/libstrophe/milestones/0.8.7

Build profanity archives for 0.4.5
    https://github.com/boothj5/profanity/milestones/0.4.5

Test on:
    Cygwin
    Ubuntu
    Debian
    Fedora
    OpenSuse
    OS X

Notify (libstrophe + profanity):
    Arch
    Debian
    Gentoo
    Brew

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