1.3.0 - Adds styling to preserve visual continuity when third-party plugins load jQuery UI styling. Optimisations of & to .
Adjusts conditions logic to use new ID.
Merge pull request #12 from woothemes/develop

Beginnings of 1.3.0.
Fixed: Trying to get property of non-object in woosidebars\classes\class-woo-conditions.php on line 426 (monthly archive)
Merge pull request #14 from LeisureLarry/master

Watching my monthly archive page(s) I was getting a non-object message in woo-conditions.php on line 426.
Adds CONTRIBUTING.md file, with contribution guidelines.
Adds 'suppress_filters' => 'false' to all calls to the get_post() function.
Adds a check for the presence of a nonce prior to running the meta box save logic.
Replaces add_post_meta() with update_post_meta() when saving conditions. Avoids possibility of empty records being added to the database.
Optimises ajax_toggle_advanced_items() method.
Adds missing esc_html() and esc_attr() functions in the meta_box_content() method.
Fixes incorrect placement of 'if' in the ajax_toggle_advanced_items() method.
Adds missing esc_html() around taxonomy term labels.
Removes requirement of 'show_ui' parameter for retrieving taxonomies. Fixes #3.
Adds attempt to calculate the maximum number of sidebars required in order to determine the best sidebar to replace each registered sidebar region.
Introduces woosidebars_upper_limit filter and value, used in database queries, to control scaling.
Adds conditional support for single entries condition. Fixes #16, #7.
Adjusts relative path to 'lang' directory. Fixes #4.
Localisation file updated.
Updates changelog file to note the introduction of the woosidebars_upper_limit filter.