Getting network barclamp unit tests working again.

This includes:
- Rename of BarclampConfig, BarclampInstance, AttribInstance, and RoleInstance classes fan out
- Rails Engine conversion
- Removal of Crowbar 1.0 proposal and service objects
Removed some Crowbar 1.0 code from the network barclamp.
Made some methods private.
Merge pull request #146 from cdearborn/pull-req-master-fd8b6516ed91645f2acb1ca198501df1597d772e

Merged by devtool for VictorLowther
Add scaffolding default attributes for the networking barclamp.
Note that this barclamp requires the chef barclamp.
Use old conduit_mp layout for now.
Make sure address mappings for each network is saves as an array.
Merge pull request #148 from cdearborn/pull-req-master-68c550254e6e609bea15aa414a1044c4f316a6bd

Removing Crowbar 1.0 API calls from network barclamp [1/1]
Merge pull request #147 from VictorLowther/pull-req-master-b4a5d683f0e2f729f8e7cc489c8f4afaac0e6fac

Enable zombie provisioner mode. [2/10]
remove proposal dependencies - this will need more work to switch to barclamp_instances
find home for the interface test