harmonization of some docs with code fragments
Add sync instructions.
Add a specific page for store review criteria.
Split off reviewers section into the reference.
Add bundles.
Add bundle promotion.
Merge pull request #14 from castrojo/add-sync-parts

Add sync instructions.
Testing different separation between commmands and output
Merge remote-tracking branch 'juju-docs-upstream/master' into split-out-reviewers
First steps in semantic separation of in- and output
Update to vagrant docs, adds vagrant listing to sidebar navigation
Ammend location of vagrant link in navigation
Merge pull request #19 from chuckbutler/vagrant-rework

Update to vagrant docs, adds vagrant listing to sidebar navigation
Small CSS correction of the input/output headline sizes
Merge pull request #20 from TheMue/docs-007-how-hooks-are-run

First document using a new semantic separation of input and output
Make bundle submission more explicit.
Add explicit branch attachment instructions.
Make juju mailing list more explicit, remove "poke" references.
Merge pull request #21 from castrojo/submitbundle

Make bundle submission more explicit.
Retitle the criteria per feedback from Nick.