FS-9952: Preliminary session negotiations done, added a bunch of logging, fixed up cleanup code, needs more testing and more error handling

FS-9952: Added the first half of the session negotations for the server side, untested as it requires the second half coming soon for client side

FS-9952: A bunch of cleanup and shifting connections towards ID based passing instead of pointers, will replicate and adjust for session system next

FS-9952: Some work towards client connectivity support, commit is to remove blade_message_t and get RPC stuff updated, code does not compile currently

FS-9952: Added initial support for registering transports, and initial untested code for parsing identities

FS-9952: More work on the connection and transport code, couple things left to do but nearly ready for testing upto starting session negotiations

FS-9952: Rewrote core code to utilize state machine driven system based on discussions, code compiles but completely untested currently

FS-9952: Fixed some stuff to get the blade service tested upto the point of processing config and listening on the same port across multiple interfaces

FS-9952: More work on the blade service transport layer, now compiles but is untested, and still missing a few pieces to be functional

Merge pull request #1233 in FS/freeswitch from ~MITCH.CAPPER/freeswitch:mod_perl_init_fix_FS_10071 to master

* commit '862c969b':
  Resolves FS-10071. Fixed newer (perl 5.22 and up) versions of perl from crashing, -e means evaluate the following string and it does not like emptystr.

Resolves FS-10071. Fixed newer (perl 5.22 and up) versions of perl from crashing, -e means evaluate the following string and it does not like emptystr.

Merge pull request #1232 in FS/freeswitch from ~ANTONIO/freeswitch:bugfix/FS-10160-segfault-conference-with-parameter to master

* commit '2ec5ffb5':
  FS-10160 [mod_conference] fix segfault when using video-mode=mux

Merge pull request #1231 in FS/freeswitch from ~RSCREENE/freeswitch:feature/FS-10156-return-http-status-code-from-mod_http_cache to master

* commit '6b5313ec':
  FS-10156 [mod_http_cache] Return HTTP status code