Merge pull request #22 from ansell/master

Fixes issue: Bump some dependencies for release and fix URIs containing dashes. THX @peter, now we are ready for a new release.
fixing spaces...
fixes #24, prefixname is now taken from classname, if it is not explicitly set
Merge branch 'master' of https://github.com/tkurz/sesame-vocab-builder
try to guess filename for remote
cleanup imports
[maven-release-plugin] prepare release vocabulary-builder-1.2
[maven-release-plugin] prepare for next development iteration
update readme
Update README.md

as @ansell mentioned, building isn't strictly necessary as running the script runs the maven build if it can't find the binary.
Fixed NPE when generating ResourceBundle from CLI (fixes #25)
More stable cleanup of temp-files in case of errors
add generate-bundles to M2E configuration