TS-1506 %<cquuh> log symbol will crash TS when requesting a SSL url.
Review: leif
Added TS-1506.
Fixed line-length to be <= 76 consistently.
TS-1607: Decouple SSL context indexing from the rest of iocore

Decouple SSL context indexing from the rest of iocore so that we
can make a standalone SSL lookup test harness.

Add a certlookup test program that tests SSL certificate lookup.
This also ingests the top-N web site CVS from Alexa so that we can
test memory usage and lookup performance.

Move all the stand-alone SSL utilities into SSLUtils.cc. Refactor
this a bit to make the code simpler and cleaner.

Teach SSLCertLookup to insert and lookup of IpEndpoint objects.

Using the SSLConfig pattern, decouple the SSLCertLookup from the
online reconfiguration.

Keep a Vec<SSL_CTX> of the contexts that we index so that it's easy
to release them when we reload the contexts. This also sames us
from leaking memory if we have multiple certificates for the same
name. Add memory leak checking to the tests (Darwin only).
TS-1596 - Added channel_stats plugin to experimental.
TS-1596 - Fix invalid conversion from 'const char*' to 'char*'.
TS-1596 - Forgot to note Author of channel_stats plugin is Conan Wang.
Fix compile error in SSLCertLookup.cc.
TS-1580: Mutex leak.
Use gmake on FreeBSD in regression script
TS-1608: IpAllow should use standard config update
Remove unused proxy/Freer.h
Make the cache type constants an enum
TS-1615 Change the default charset to UTF-8

    In 2012, let's lead with example and make UTF-8 our default
    charset - especially since we have such a big customer base
    in all over the world.
TS-1615: Some spelling errors in source code
TS-1616: authorization proxy plugin
TS-1422 TS-1307 : Update HostDB for better IPv6 handling.
TS-1617: Build cacheurl when experimental plugins are enabled
Document proxy.config.http.doc_in_cache_skip_dns for authproxy
Add man page for TSHttpHookAdd