Updated documentation.

src/design/data-filtering-sequence-diagram.puml

src/site/markdown/data/application-data.md

src/site/markdown/data/custom-filters.md

src/site/markdown/data/default-configuration.md

src/site/markdown/data/supported-data-types.md

src/site/resources/images/logo_cs_2008_ang.jpg

src/site/resources/images/logo_cs_group.png

src/site/site.xml