prefixed  global in title override method
add title separator option and use that instead of the  global
simplify logic to strip all title tags
fix og_title test
cleanup unused code
Upped PHPCS standard as far as possible

Improved output escaping & input validation
Add correct sniff repo to travis
Code style: array key spacing
Code style: some more array key spacing
Remove the PHP5.2 problem sniff again
Merge branch 'master' of git://github.com/Yoast/wordpress-seo into PHPCS
Superfluous whitespace
Merge branch 'master' of git://github.com/Yoast/wordpress-seo into PHPCS
Merge branch 'master' of git://github.com/Yoast/wordpress-seo into PHPCS

Conflicts:
	admin/class-config.php
	inc/class-wpseo-options.php
Exclude switch_to_blog sniff
Added 'wpseo_option_titles_variable_array_key_patterns' to allow alteration of the titles variable array key patterns.
Make sure options exist after activation

- Avoid extra db query if option doesn't exist
- Make sure the option as saved on activation will contain translated defaults
Fix an issue with sitemap transient caching for plugins not using paginated sitemaps (like news seo).
Replaced time() with a string representation of current time as first parameter in a new DateTime object in the sitemap.
Remove post connector from banners and extensions admin.