Fix last events date
Improved nav tree component
Video player component improvements
Change video embed URL in video player
Improved nav tree component styles added
Local storage improvements
Added clear method to localStorage
New nav tree improvements with storing data in localStorage
New markup for menu
New nav tree component renamed
JS fix
Removed old stuff
Improved nav tree component
Test videos data added
Big nav tree refactoring
Merge branch 'dev-nav-tree' into dev
Improved nav tree component
More test videos added
Video gallery page
Sprites edits