Document Classification module main changes, etc.

Document Classification - :
* auxiliary scripts (bash/getText.sh) and classes ()
* new main (new_disambiguation.pig) and auxiliary scripts (CurrentTime.java)
* new metadata handling methods (EXTRACT_MAP_WHEN_CATEG_LIM.java) taking into consideration metadata language, ways of handling diacritics and the new model
* redesigned workflows, property files, chrum config files
* redesigned pig scripts

Author Name Disambiguation - project restart:
* pig scripts for disambiguation