Revert "Temporary rescriction, refs #131, closes #132, refs #136"

This reverts commit d195f3251c6f2a55df76d9f7e247298515005f81.

It seem the problematic release of the daemons gem have been yanked meanwhile
and bluepill is working fine with the latest (1.1.9) release.
Merge pull request #165 from rhafer/master

Revert temporary restriction on daemons gem version