Tighten runtime dependencies; loosen development dependencies.

Should make 'bundle update' more useful, but also safer.
Update gems.
Update rcov to 1.0 for Ruby 1.8; use simplecov for Ruby 1.9.
(cherry picked from commit 9729aae1fb18c3f2907c1d597fd31fcb7f03385e)

Conflicts:
	Gemfile
	Gemfile.lock
Upgrade to selenium-webdriver 2.22.1 for new Firefox compatibility.
Upgrade to Rails 3.0.13.
Merge branch 'rails3013' into v1.x
Typo in comment.
Automatically induct founding members who vote in favour. Closes #253.
Downgrade to selenium-webdriver 2.21 to avoid intermittent 'element not found' error.
Add missing 'where' in constitution.
Fix whitespace.
Docs: Describe constitution template options.

Closes #319.
Docs: Add 'One Click Orgs' to constitution template.
Docs: Update copyright years on const. template.
Docs: Improve formatting of constitution template.
Update copyright years.
Upgrade to Rails 3.0.17.
Fix scenario broken by fix in 84c0bef07401999407b.
Upgrade selenium-webdriver for Firefox 14.
Fix whitespace.