Fixes #138

* edited cmd/trousseu/commands.go to not take the delimiting character
  in ReadString()
Update vagrant provisioning script
Merge pull request #139 from jd1123/138-newline-issue

Fixes #138
Update create command with options for sym/asym and gpg/aes encryptions [ref #131]
Simplify encryption type and algo at creation time [ref #131]
Update create command description [ref #131]
gofmt/govet/gofix
Fix #132 log errors from commands rather than actions