2.1.1 (2.1.0)

Release Notes:

• new feed module: Google Promoions
• new config "Limit column output" under Filters tab.
• enhanced config "Value inheritance by column", under Configurable & Grouped tabs
• fix error on saving duplicate schedule 
• add progress percent into status and fix feed not completing
• enhance feed locking so that no two processes write the same file
• fix feed grid sort caching causing bad results in the grid
• added version number in the admin under Stores > Configuration
• test feed and view log open as pop-up
• add default schedule for new feeds 
• fix "Skip from been processed" default value for product attribute.
• fix Categories Map widget inconsistency and filter out products by category.