Simplify curl on initial download
authy-ssh: fix typo in error message "permisisons" -> "permissions"
Merge remote-tracking branch 'mobilemind/master' into next-release
Merge remote-tracking branch 'simmel/patch-1' into next-release
Fix some typos in the tests.

The tests were failing because the typo was fixed previously in the code
but the tests weren't updated.
Fixed typo.
Don't require root to install.
Merge remote-tracking branch 'dmuth/master' into next-release