Added document journal data migration
Pushed version, updated gemspec, readme and changelog
amended changelog entry
Merge pull request #15 from opf/release/1.0

release/1.0.1
Merge branch 'release/1-0-2' into stable

Conflicts:
	doc/CHANGELOG.md
	lib/open_project/documents/version.rb
Bump version to 3.0.8

Due to our (new) convention plugins inherit their versions from the
OpenProject core. The next stable release of the OpenProject core is
3.0.8.
fixed dep in gemspec
Merge branch 'release/3.0' into dev
Bump version to corresponding core version
Added sorting of documents within each group.
Merge remote-tracking branch 'origin/dev' into dev