Start date hidden on issue form unless in Rails production mode.
Cleanup.
Merge pull request #57 from blrnw3/ui-cleanup-more

Hide start date
Add in more information about deploying.
- Bump the version number prior to the release later today.
- Include a first version of the changelog.
Clarify a few more things in writing.
Merge pull request #58 from alexlatchford/update-docs

Update docs and bump version to 0.9.0
Merge https://github.com/artsalliancemedia/redmine into sla
A few issue update changes

Added is_paused column to issues to help with producer sync.
Caused due date to be updated on issue save (to account for potential
priority change).
Got rid of Issue.all call in update_issue_due_dates methods.