Added some layout to the homepage.
Converted some CSS files to less, and generated minified versions.
Merge branch 'layout' into dev-build

Conflicts:
	Garbin-Subtitles/Views/Shared/SiteLayout.cshtml
Changed the default duration of a caption
Added a temp url for the demo link
Moved some tools buttons under the player.
Removed duplicate CSS
Set the timeline zone and captions zone positions.
Made the captions container relative-positioned for better position handling.
Added methods and logic to scroll captions into view.
the caption textbox is resized to make all the caption's text visible.
Changed the remove caption icon and moved it under the caption time.
Updated the style of the caption remove button.
Moved the caption item tools under the caption time zone.
Fixed an issue when resizing a block.
Fixed an issue with drag and drop.