Merge branch 'master' of ssh://git@www.orekit.org/rugged-main.git

core/src/main/java/org/orekit/rugged/api/FixedLOS.java

design/rugged-design.odt

pom.xml

src/site/markdown/building.md

src/site/markdown/configuration.md

src/site/markdown/contact.md

src/site/markdown/design/overview.md

src/site/markdown/design/technical-choices.md

src/site/markdown/downloads.md

src/site/markdown/guidelines.md

src/site/markdown/sources.md

src/site/site.xml