Slash command progress

[Vexed01]

I'm working to add slash commands to most of my cogs. See the progress below:

• [ ] Aliases only applies to text commands so no point
• [x] anotherpingcog #89
• [x] beautify cf4eab2
• [x] betteruptime #89
• [ ] birthday
• [x] buttonpoll e92639d1bb98aeb28590ca0d77c093ba7facc958 & 629d764fe317829db0eb980a040f38059207a49d
• [ ] birthday
• [ ] calc
• [ ] caseinsensitive This cog has no commands
• [ ] cmdlog
• [ ] fivemstatus
• [ ] ghissues
• [ ] madtranslate
• [ ] roleplay
• [ ] stattrack
• [ ] status
• [ ] system
• [ ] timechannel
• [ ] uptimeresponder This cog is owner-only and is "set-and-forget" so a waste of the limited number of slash commands available
• [ ] wol