Remove legacy TODO file; move to Github issues

TODO

@@ -1,16 +0,0 @@
-Legacy list of to do items; see github issues for a more up to date list.
-
--   Control SSL_OP_SINGLE_ECDH_USE and other de-optimizations by a
-    "prefer speed to security" command line option
--   Optionally add ephemeral RSA key to SSL_CTX to allow export cipher suites
-    http://www.openssl.org/docs/ssl/SSL_CTX_set_tmp_rsa_callback.html
--   Dump cipher suites sent by the client in debug mode
--   Consider memory pools for use by per-connection state
--   Handle renego & client cert authentication more gracefully
--   Separate orig cert retrieval from actual fwd address/proto config
--   CRL denial mode based on targetdir cert's CDPs or by identifying CRL ASN.1
--   Browser update denial mode
--   Extendable approach to broken certificate verification implementations
--   Client fingerprinting: only intercept clients with headers matching regex
--   Configurable and/or scriptable modification of requests and/or responses
--   Sample scripts for single file/fifo content log postprocessing