reorganized dev guide and added empty new sections.
Merge branch 'pulp-2.0' into devguide-2.0
Adding instructions for branch management during the release process and during development work.
fixing a typo and capitalizing the "ISO" acronym.
improvements based on review
more revisions based on review
Fixing event type names to be "." delimited. Those names changed when the amqp notifier type was introduced, but these examples weren't updated.
changing event names to end in "finish" instead of "finished"
Merge pull request #238 from pulp/mhrivnak-event-type-fix

Fixing event type names to be "." delimited.
Merge pull request #237 from pulp/mhrivnak-schedule-typos

fixing a typo and capitalizing the "ISO" acronym.
Explaining how to merge changes under different situations.
typo fix
Merge pull request #235 from pulp/mhrivnak-branching

Adding instructions for branch management during the release process and...
moving the initial merge advice into the new "Merging" section.
Merge pull request #249 from pulp/mhrivnak-reorg

moving the initial merge advice into the new "Merging" section.
Adding documentation about how to add documentation.
Adding docs about pull requests and the review process
added policy applicability clause
documenting style and compatibility concerns
Adding a versioning policy