sync with upstream
Merge branch 'master' of github.com:BaseXdb/basex-examples
Merge branch 'master' of github.com:BaseXdb/basex-examples
Merge branch 'master' of github.com:BaseXdb/basex-examples
Merge branch 'master' of github.com:BaseXdb/basex-examples
Merge branch 'master' of github.com:BaseXdb/basex-examples
Merge branch 'master' of github.com:BaseXdb/basex-examples
[MOD] Serializers modularized
[ADD] Examples: some more JSON files added
[MOD] Examples updated
[MOD] Examples updated
event fixes
[MOD] API: WebDAV/JAX-RX unifications
[MOD] client sessions now throw IOException instead of BaseXException
[MOD] JAX-RX: examples updated
[MOD] Switched to Version "6.8 beta"
[ADD] JAX-RX replaced with internal REST implementation
[MOD] pom.xml updated to Version 6.8-SNAPSHOT
[MOD] Core: session communication revised for binary data
[MOD] Core: refactoring commands
[ADD] Examples: REPLACE example added