Fix too long lines soc.views.models.club_admin, club_app and club_member modules. Patch by: Pawel Solyga Reviewed by: to-be-reviewed

Fix too long lines and remove unused imports in soc.views.models.host module. Patch by: Pawel Solyga Reviewed by: to-be-reviewed

Fix too long lines and remove unused variables in soc.views.models.role module. Patch by: Pawel Solyga Reviewed by: to-be-reviewed

Fix too long lines and fix the bug where undefined variable was used in _editPost method in soc.views.models.mentor module. Patch by: Pawel Solyga Reviewed by: to-be-reviewed

Fix too long lines and rename unused loop variables to _ in soc.views.models.base module. Patch by: Pawel Solyga Reviewed by: to-be-reviewed

Fix too long lines and indentions in soc.models.student_proposal module. Patch by: Pawel Solyga Reviewed by: to-be-reviewed

Remove unused variable in soc.logic.validate module. Patch by: Pawel Solyga Reviewed by: to-be-reviewed

Rename too short variable name in soc.logic.mail_dispatcher module. Patch by: Pawel Solyga Reviewed by: to-be-reviewed

Fix too long lines in soc.logic.models.org_admin module. Patch by: Pawel Solyga Reviewed by: to-be-reviewed

Fix too long lines in soc.models.ranker_root module. Patch by: Pawel Solyga Reviewed by: to-be-reviewed