Stops create_or_update_thumbnail from using without_protection on all rails versions except for major release number 3
Fixes deprecation warning when using find_or_initialize_by
Fixes find_or_initialize_by for pre Rails 4 users
Fixes syntax error from previous commit - needed an end for an if
Merge pull request #7 from jasonbuehler/create_or_update_thumbnail_for_rails_4

Stops create_or_update_thumbnail from using without_protection on all...