Merge pull request #6528 from crainiarc/geekbench

Upgrade Geekbench to 3.2.2
Merge pull request #6532 from rolandwalker/changelog_additions

Add release date to changelog
Merge pull request #6529 from rolandwalker/reuse_version_android_studio

re-use version number in android-studio.rb
Merge pull request #6530 from rolandwalker/reformat_maintenance

reformat maintenance.rb, provide `else` in `if`
Merge pull request #6534 from rolandwalker/utils_namespace

use `Utils` namespace in 4 Casks
Merge pull request #6535 from rolandwalker/doc_toplevel_variables

doc: clarify that Utils namespace is for variables
Merge pull request #6536 from rolandwalker/remove_env_home

replace ENV['HOME'] with Ruby stdlib in 2 Casks
Add gpg stanza to cryptol
Add gpg stanza to torbrowser
Add gpg stanza to gpgtools
Add gpg stanza to mumble
Add gpg stanza to libreoffice
Add gpg stanza to multibit
Add gpg stanza to litecoin
Add gpg stanza to electrum
Add gpg stanza to electrum-ltc
Add gpg stanza to lyx
Add gpg stanza to git-annex
Add gpg stanza to vlc
Add gpg stanza to espionage