General architectural changes.

pubrules: from version 0.3.3 to 0.4.0.

Bootstrap: from version 3.1.0 to 3.2.0.

jQuery: from version 2.1.0 to 2.1.1.

index.html: unified single vs. double quotation marks.

index.html: fixed a couple of minor HTML errors.

index.html: commented out Bootstrap default theme.
Merge branch 'master' into tripu/architectural-changes
Merge pull request #47 from w3c/tripu/architectural-changes

First architectural changes