~evhan/topham unlisted

Add key creation and deletion to CLI
Add missing dependency from cli program to meta module
Add meta endpoints to CLI program
Add command for listing pastes
Exit success when skipping deploy for untagged CI builds
Unquote CI variables now that sr.ht shell-escapes them automatically
Add static build and deploy to manifest
Add test for CLI program
Enable OpenSSL in static executable
Add build manifest
Add basic test script
Fix missing dependency for CLI program in egg file
Add shorthand paste command
Add note about needing OpenSSL development headers to README
Add missing space to command in README
Add paste commands to CLI
Add CLI program
Document lists service procedures where user is implicit

Also, fix a missing reference link in USAGE.md and point users to
api.call-cc.org for documentation (updating the links in USAGE.md
Add example of subscribe/unsubscribe to documentation
Drop redundant `subscribe' and `unsubscribe' procedures