encoding info not required anymore by latest ruby
add bootstrap scripts for cfssl stuff
Added https://github.com/cloudflare/cfssl_trust at commit 7ff01f499ba3ba59fdb3b19c97ac8eedef61b8a4
Add cfssl binaries compiled from github.com/cloudflare/cfssl at commit 9ee440c0b79a2d68d07a1a873de95b3869dc5872
create cfssl-wrapper to get a bundle from cfssl tool
use cfssl for chain completion by default