Now snippets can render erb templates.
Improving test for template printing.
Updating readme.
Merge branch 'features/attaching_to_page_parts' into features/erb_templates

Conflicts:
	lib/extensions/page_extensions.rb
Moved rendering of snippets templates from model to PagesController
(through an after_filter). Now render has access to request which is
needed for some complex logic like cells.
Updated some scopes to the rails 3 way.
Fixed syntax errors (shame on me...).
Merge branch 'features/attaching_to_page_parts' into features/erb_templates

Conflicts:
	lib/extensions/page_extensions.rb
qMoving PagesController override from after_initialize to to_prepare.
Code in Extensions::PagesController hast to be placed directly in
PagesController while trying to solve overriding problem.
Merge branch 'features/attaching_to_page_parts' into features/erb_templates

Conflicts:
	lib/extensions/page_extensions.rb
	lib/refinerycms-snippets.rb
Moved rendering of snippets templates from Extentions::PagesController
to Extensions::PagesHelper. This way it's less intrusive with
Refinery.
Moved snippets render method from PagesHelper to ApplicationHerlper so
it could be used from every view in app.
Merge branch 'features/attaching_to_page_parts' into features/erb_templates
Updated tests.
Merge branch 'features/attaching_to_page_parts' into features/erb_templates
Merge remote branch 'upstream/master' into features/attaching_to_page_parts
Fixing the named_scope that returns all the Pages for an Snippet.
Removed column position from table snippets. It had no sense anymore
and was messing up with the position attribute in snippets_page_parts.
Merge branch 'features/attaching_to_page_parts' into features/erb_templates

Conflicts:
	lib/extensions/page_extensions.rb