Voicemail should return to the main menu after clearing the mailboxes
Hangup here feels wrong; people make mistakes
More hangups that would be more comfortable as returns to main menu
erase_all should guard with message type count and play a success message
To bee or not to bee...
Add new all_deleted messages to I18n template
Merge pull request #30 from emcgee/develop

Prompt returns vs. hangup, and guards