amazon_store 7.x-1.1

Fixed in this release:

• #944294: Add to cart 2nd and following times results in "Cart quantity updated to" empty by rfay & willvincent: cleaning up error message reporting.
• #1022248: Author link from item page returns a bad search page when Default items for amazon_store page is set to list of Amazon ASINs by the_g_bomb: cleaned up author link handling.
• #1092462: Default Merchant ID for Search: All doesn't include 'Amazon' by willvincent: Clarify help text on Merchant ID setting. All _does_ include Amazon, not exclude it.
• #1166026: Panel "Debug Info" (amazon_store_item_debug_info_render) doesn't behave as expected by mcurry & the_g_bomb: Fixing debug panel output.
• #1444316: Problem with "Buying Options" by triskelion: Prevent empty product attribute drop-downs
• #1645202: quantity update : 0 = warning by willvincent: Prevention of warning and/or notice messages when removing an item (or the last item) from cart by updating quantity to zero.
• #1645202: quantity update : 0 = warning by willvincent: Appropriate quantity values not being displayed when updating quantity that does not result in item removal.
• #1827704: Move settings page to a tab of amazon_api settings page by willvincent: Move settings page to a tab of amazon_api settings page. Necessary after #1468204.