Swiftmac 2.7 with detailed description, trying to slide in pre-freeze

[robertmeta]

Raman--

Totally understand if this doesn't make it in, just decided to create it in case it can be slide in, want that voice bug and Readme.org update to go in if possible.

This PR contains 11 changes, most just cleanup / docs.

Only 1 is outside of mac-swiftmac directory.

That 1 is a fix to voice selection in swiftmac-voices.el

Under mac-swiftmac:

6 are deletes under the mac-swiftmac directory, listed at the end. 1 is an additional utility under mac-swiftamc directory 1 is a Readme.org update under mac-swiftmac directory 1 is a caching improvement for voice selection 1 is tweaking the version of Swiftmac main

Details:

• Fixed swiftmac-voices.el voice selection bug

• Made it version 2.7 in main.swift

• Updated swiftmac Readme.org

• Improved voice/lang cache in statestore

• Added utility to show voices on MacOS

• Cleanup of files that don't need to be in mac-swiftmac in Emacspeak: -- Design.org: shouldn't be in Emacspeak -- Design.tex: build artifact, never should have been in -- Goals.org: Shouldn't be in Emacspeak -- cloud-swiftmac: Already in servers -- log-swiftmac: Already in servers -- swiftmac-voices.el: Already in lisp

[robertmeta]

@tvraman thanks for the exception.