Inserting DBUnit and Spring support for it.

Also added a small test.
 #73 create automatic test for all indicator types
#73 adding the actual JUNIT test and the sample data
#73 create automatic test for all indicator types
#73
#73
#73
#73 switching to using opencsv, finishing test, adding teardown script

ALSO: 
changing timor leste code
changes to periodicity enum
#73 Small issues related to merging the code from the master branch