RN: footer styling

The Creative Commons license styling on the footer is ugly. This change
alters the HTML slightly and centers the text.

Signed-off-by: Lucas Dutra Nunes <ldnunes@ossystems.com.br>
RN: Updates from bitbake-metadata2doc.sh

Signed-off-by: Daiane Angolini <daiane.angolini@freescale.com>
RN: add SoCs tree generation via blockdiag extension

This looks better than the currently generated ASCII tree.

Signed-off-by: Lucas Dutra Nunes <ldnunes@ossystems.com.br>
RN: add preamble file for configuration of SoCs blockdiag

The allowed configuration options are available here:
http://blockdiag.com/en/blockdiag/attributes/diagram.attributes.html

Signed-off-by: Lucas Dutra Nunes <ldnunes@ossystems.com.br>
RN: improve SoCs blockdiag style

Use the Liberation font and apply anti-aliasing.

Signed-off-by: Lucas Dutra Nunes <ldnunes@ossystems.com.br>
UG: fix image list

It's a copy of the image list from the release notes instead of a
table.

With the refactor of the user guide underway, it will be later replaced
with a generated list.

Signed-off-by: Lucas Dutra Nunes <ldnunes@ossystems.com.br>
UG: remove all compile warnings

Signed-off-by: Lucas Dutra Nunes <ldnunes@ossystems.com.br>
user guide: add new download section

Signed-off-by: Lucas Dutra Nunes <ldnunes@ossystems.com.br>
user-guide: first build work in progress

Signed-off-by: Lucas Dutra Nunes <ldnunes@ossystems.com.br>
user-guide: finished first-build task

Signed-off-by: Lucas Dutra Nunes <ldnunes@ossystems.com.br>
user-guide: respect 80 columns in the source code

Signed-off-by: Lucas Dutra Nunes <ldnunes@ossystems.com.br>
user-guide: add build-result page

Signed-off-by: Lucas Dutra Nunes <ldnunes@ossystems.com.br>
UG: 80 column fix and better wording of a paragraph

Signed-off-by: Lucas Dutra Nunes <ldnunes@ossystems.com.br>
UG: fix code-blocks with invalid banch substitutions

Unfortunatelly SphinxDocs still doesn't do nested directives, so it
can't add a code block with a replacement token in it. So it has to be
hardcoded, for now.

Signed-off-by: Lucas Dutra Nunes <ldnunes@ossystems.com.br>
UG: fix wrong codeblock call in first build

Signed-off-by: Lucas Dutra Nunes <ldnunes@ossystems.com.br>
UG: Started deploy-test

Signed-off-by: Lucas Dutra Nunes <ldnunes@ossystems.com.br>