[JRI] Added support for creation empty vectors of all data types and lists

Signed-off-by: Stephan Wahlbrink <sw@wahlbrink.eu>
[RJ-Server] Added additional checks if R engine returns 0 when creating
elements in R

Signed-off-by: Stephan Wahlbrink <sw@wahlbrink.eu>
[JRI] JRI-0.5-5+ (307f3c4df04ad17125baccd1990dd70ef43ac343)

  - add missing dependency to support parallel make

Signed-off-by: Stephan Wahlbrink <sw@wahlbrink.eu>
[RJ-RPkg] Added support to reindex updated packages while a single session

Signed-off-by: Stephan Wahlbrink <sw@wahlbrink.eu>
[JRI] Merged updates from JRI 0.5-5+

Signed-off-by: Stephan Wahlbrink <sw@wahlbrink.eu>
[RJ-Server] Fixed backward compatibility in ServerUtil.concatCodebase

(reported by Tobias Verbeke)

Signed-off-by: Stephan Wahlbrink <sw@wahlbrink.eu>