do trasaction only if we have data
initial pass at saving attributes from generic form

drill down to attrib show works

update attribute values from deployment & node role
add some helpful information about a common error
fix typo
add some helpful information about a common error
fix typo
correct docker logic as requested by @victorlowther
update led icons
fix bad code in bootstrap default
Merge branch 'master' of https://github.com/opencrowbar/core
remove bad line from previous commit
"Real Hardware nodes"
Merge pull request #84 from cloudedge/master

Use attribute relations & API when updating Attribs
Make sure that correcy proxy settings are passed via SSH.

We were getting proxy settings from when the delayed_jobs runs started,
which is not the correct environment for Sledgehammer.
Add support for pulling in recipe-created data bags
Add proper chef_gem support for talking through a proxy, and force our embedded Ruby in the Chef client to use it.
Merge pull request #85 from VictorLowther/port-from-cb2.0

+1 Port from cb2.0
update for squid proxy and consolidate docs into single directory