tidy up and preparations to address #438

- remove redundant commentary
- remove unused keys and integers
- remove dead functions
- remove plugin template artifacts
- update global name for attachments to 3.9 API
- change and format button names
- add feature to reset both timers in root menu
- make buttons arrange orderly
- fix spelling in function names and dialogs
- change flag for link constants
Test unleash permissions at timer expiry

Timer script was removing unleash request from timers when wearer was releashed.  Removed clearing g_iUnleash at leash change, and added a permission check at timer expiry.
Merge pull request #2 from OpenCollar/main

update2