Remove object pass by reference
Merge pull request #15 from coenjacobs/remove-object-pass-by-reference

Remove object pass by reference
- Adds filters for the single testimonials and testimonial archives URL slugs
- Adds a flush_rewrite_rules() call on plugin activation
- Updating readme and localisation files
Merge pull request #22 from woothemes/filter-archive-slug

Add filters for URL slugs
Merge pull request #23 from woothemes/develop

Merges legacy "develop" branch into "release-1-4-0".