Rename backers table to contributions
Rename backers files to contribution

Conflicts:
	app/models/concerns/contribution/payment_engine_handler.rb
	app/views/catarse_bootstrap/admin/contributions/index.html.slim
	app/views/catarse_bootstrap/admin/contributions/show.html.slim
	app/views/custom/projects/backers/_anonymous_warning.pt.html.slim
	app/views/projects/backers/_anonymous_warning.pt.html.slim
	app/views/projects/contributions/_anonymous_warning.en.html.slim
	app/views/projects/contributions/_anonymous_warning.pt.html.slim
	app/views/projects/contributions/_back_text.en.html.slim
	app/views/projects/contributions/_back_text.pt.html.slim
	app/views/projects/contributions/_backer.html.slim
	app/views/projects/contributions/edit.html.slim
	app/views/projects/contributions/new.html.slim
	app/views/projects/contributions/show.html.slim
	app/views/users/contributions/index.html.slim
Rename backer associations

Conflicts:
	app/assets/images/catarse/contribution_city.png
	app/assets/images/catarse/contribution_info.gif
	app/assets/images/catarse/contribution_info.png
	app/assets/images/catarse/sidebar_contributions_icon26x19.png
	app/views/catarse_bootstrap/notifications_mailer/_contribution_data.html.slim
	app/views/catarse_bootstrap/notifications_mailer/confirm_contribution.en.html.slim
	app/views/catarse_bootstrap/notifications_mailer/confirm_contribution.pt.html.slim
	app/views/catarse_bootstrap/notifications_mailer/contribution_canceled_after_confirmed.html.slim
	app/views/catarse_bootstrap/notifications_mailer/contribution_confirmed_after_project_was_closed.en.html.slim
	app/views/catarse_bootstrap/notifications_mailer/contribution_confirmed_after_project_was_closed.pt.html.slim
	app/views/catarse_bootstrap/notifications_mailer/contribution_project_successful.en.html.slim
	app/views/catarse_bootstrap/notifications_mailer/contribution_project_successful.pt.html.slim
	app/views/catarse_bootstrap/notifications_mailer/contribution_project_unsuccessful.en.html.slim
	app/views/catarse_bootstrap/notifications_mailer/contribution_project_unsuccessful.pt.html.slim
	app/views/catarse_bootstrap/notifications_mailer/pending_contribution_project_unsuccessful.en.html.slim
	app/views/catarse_bootstrap/notifications_mailer/pending_contribution_project_unsuccessful.pt.html.slim
	app/views/catarse_bootstrap/notifications_mailer/project_owner_contribution_confirmed.html.slim
	app/views/catarse_bootstrap/notifications_mailer/subjects/confirm_contribution.en.text.slim
	app/views/catarse_bootstrap/notifications_mailer/subjects/confirm_contribution.pt.text.slim
	app/views/catarse_bootstrap/notifications_mailer/subjects/contribution_canceled_after_confirmed.en.text.slim
	app/views/catarse_bootstrap/notifications_mailer/subjects/contribution_canceled_after_confirmed.pt.text.slim
	app/views/catarse_bootstrap/notifications_mailer/subjects/contribution_confirmed_after_project_was_closed.text.slim
	app/views/catarse_bootstrap/notifications_mailer/subjects/contribution_project_successful.en.text.slim
	app/views/catarse_bootstrap/notifications_mailer/subjects/contribution_project_successful.pt.text.slim
	app/views/catarse_bootstrap/notifications_mailer/subjects/contribution_project_unsuccessful.en.text.slim
	app/views/catarse_bootstrap/notifications_mailer/subjects/contribution_project_unsuccessful.pt.text.slim
	app/views/catarse_bootstrap/notifications_mailer/subjects/pending_contribution_project_unsuccessful.en.text.slim
	app/views/catarse_bootstrap/notifications_mailer/subjects/pending_contribution_project_unsuccessful.pt.text.slim
	app/views/catarse_bootstrap/notifications_mailer/subjects/project_owner_contribution_confirmed.text.slim
	app/views/projects/contributions/_contribution.html.slim
Fix migration name
Migrate backers to contributions on postgres views
Add migration to migrate user_total view to use contributions
Add migration to change notifications template name
Rename backer reports to contribution reports
Rename backer_reports_for_project_owners view to contribution_reports_for_project_owners
Rename backers_by_periods view to contributions_by_periods
Adjust down migrations to use contributions table instead of backers
Remove unnecessary migration
Apply neighbor.ly changes to statistics view
Rename backers views to contrbutions
Rename backer words to contribution
Remove files added on merge
Rename backers specs files to contributions
Add contribution decoerator spec
Rename backer words to contribution on specs folder
Rename notifications views files to contribution