Usage of expat library for XML parsing
Added Constraint specification for integers and decimals
fix xml2succinct() JNI function so that it works.
Merge remote-tracking branch 'origin/recipe_tim' into recipe
build extract_instance_with_library to makefile.
return empty strings to invalid or failing JNI requests
integrate xml2recipe and work towards it working out of the box
with the kiwiex2013 example ODK form specifications.