Public Beta 6

• [new] Redactor settings can be passed right into the plugin's using the fieldset's settings option. This means per-field custom buttons, etc.
• [new] Added email settings. (Spoiler: some cool email stuff is on its way)
• [new] Asset IDs are displayed in the edit modal.
• [fix] Sending an email without a from address will fall back to the new default setting.
• [fix] Dashes are allowed in collection and taxonomy slugs.
• [fix] Creating a taxonomy will use the correct fieldset.
• [fix] The nav tag's exclude parameter now accepts multiple URLs
• [fix] YAML::dump() returns an empty string when passed an array. Fixes false being shown in some YAML fields.
• [fix] Prevent YAML fields causing explosions when saving.
• [fix] Checkbox and Radio fields inside Grids and Replicators no longer magically control fields in other rows and sets.
• [fix] Fix multi_word taxonomies in the Taxonomy tag.
• [fix] Config::getSiteUrl() will ensure there is the right slashes in the right places.
• [fix] Replaced an old settings variable reference with a global variable in the Redwood theme.
• [fix] Corrected URL of an image in the Spring blog post that we pretended wasn't broken but really was.
• [fix] Added an about fieldset for the About page.