1.0.0-beta.47 View Inspector!

• Added view inspector
  
• Changed nav block to be fixed positioned
• Changed nav block class name .discovery-content-badges -> .discovery-nav
• Added .page_overscrolled class name that's adding to a page element when page's content scrolled over viewport top side
• Added page-header view
• Added passive option support detection test and passiveCaptureOptions for addEventListener() in utils.dom
• Added position option for popup view with possible values trigger (by default) and pointer (to set position according to pointer coordinates)
• Added hideOnResize and hideIfEventOutside options for popup view (both true by default)
• Added Popup#freeze() and Popup#unfreeze() methods
• Added onClick option for link view
• Added ignoreCase option to text-match view
• Fixed various edge cases for text-match view
• Fixed markup for tree-leaf view in non-collapsible state
• Fixed data for toggle view when used in toggle-group
• Removed margin reset for header views when first child of block
• Exposed internal helpers as utils: debounce, contentRect, jsonStringifyInfo, jsonStringifyAsJavaScript, persistent, pattern and pointerXY modules