Merge pull request #96 from OndraZizka/master

Add Windup Web app description.
Merge pull request #99 from OndraZizka/master

More info on error
Return value from getAll should never include nulls
Added dependency on config module
Move junit to root pom; fix windride parent
pom.xml's cleanup
Switched RDF serialization to NTRIPLES. This removes one dependency, and thus makes the POMs easier to read
Limit to private, cleanup
Get rid of slf4j-jdk14
Added README