Merge remote-tracking branch 'lari/ubuntu_patch' into easysafeinstall
First guide and Gemfile for easy/safe install
Use Gemfile.lock
Add missing compiling dependency
Fix guide steps sequence
Use older version to remove warnings
Use more universal magick package
Sync with foswiki
Add gems for testing with cucumber
Add needed production gems
Add missing system deps
Merge remote-tracking branch 'brauliobo/easysafeinstall' into easysafeintall036

Conflicts:
	Gemfile
	Gemfile.lock
Make debian rails optional
Upgrade Gemfile
Merge remote-tracking branch 'noosfero/master' into easysafeinstall
Create Distribution plugin and move its files

Conflicts:

	db/schema.rb
	plugins/distribution/db/migrate/20110317015216_create_distribution_nodes.rb
	plugins/distribution/doc/erm-general-view.dia
	plugins/distribution/doc/mer.mwb
	plugins/distribution/models/distribution_node.rb
	plugins/distribution/test/fixtures/distribution_nodes.yml
	plugins/distribution/test/unit/distribution_node_test.rb
Fix MER diagram
Add some attributes to distribution's MER
Add models orders, delivery_methods and order_sessions
Define better the models columns.