Merge pull request #41 from ahpook/master

Add specific instructions about what to do with templates
Add discussion link for ARM-3 to readme.md index

This makes it easy to find where to discuss the ARM.
Merge pull request #42 from hlindberg/master

Add "Discuss" link to ARM-3 Readme.md entry
Add Discuss link to ARM-4 Heredoc.

This adds a link to the Google Group discussion thread for ARM-4.
Update links of ARM-3 and ARM-4 to simpler form URLs
Merge pull request #44 from ahpook/master

Update arm-0 to indicate discussions should be on puppet-dev
Merge pull request #43 from hlindberg/master

Add "Discuss" link to heredoc Update Template link
Rename ARM-8 to be about Hiera-2

The previous one never got off the ground; the work got consumed
by the generalized binding/injection framework. Renaming ARM as
the first step to updating this with current design docs.