rename delta file and update transition docs

requires #6074 (may show merge conflict)
happygrep: grep with pretty tui
Upgrade Geekbench.app to 3.2.0
Merge pull request #6093 from crainiarc/geekbench

Upgrade Geekbench.app to 3.2.0
Use the skype installer with version for old MacOS version
Removed the rogue TextExpander.zip file

It was introduced in #6092.
Merge pull request #6076 from rolandwalker/delta_doc_rename

rename delta file and update transition docs
Merge pull request #6089 from hnakamur/skype_use_specified_version_for_old_macos_version

Use the skype installer with version for old MacOS version
Merge pull request #6086 from happypeter/master

happygrep: grep with pretty tui
made happygrep easier to update
corrected quotes in happygrep url