Merge pull request #62 from joyicecloud/whats-new-link

added version to heading
skeleton right sidebar
made container width smaller, for better spacing/look
added links and similar styling
single quotes wins
even alignment and width
lined up first header and sidebar
lined up sidebar and header
removed header underline, decreased sidebar heading size, sidebar left align
added button link to Why Bundler exists below What is Bundler paragraph
aligned View all commands button
removed line 97 whitespace
removed aside
added buttons for each version release

added changelog link for v1.1 and v1.0

added  buttons to other releases for whats new 1.2 page

updated buttons to links

created whats new page for version 1.0

created whats new page for version 1.1

header link typo
button links directly to 1.0 and 1.1 version in the changelog
added partials