All pairs preprocessing AND change formatting of preprocessing (we add key)

Assign2/Preprocessing_1/.part-r-00000.crc

Assign2/Preprocessing_1/processed_doc

Assign2/Preprocessing_1/processed_doc_1000

Assign2/Qa_ALL_Pairs_1000/._SUCCESS.crc

Assign2/Qa_ALL_Pairs_1000/.part-r-00000.crc

Assign2/Qa_ALL_Pairs_1000/_SUCCESS

Assign2/Qa_ALL_Pairs_1000/nb_comp

Assign2/Qa_ALL_Pairs_1000/part-r-00000

Assign2/bin/Preprocessing/Preprocessing_1$COUNTS.class

Assign2/bin/Preprocessing/Preprocessing_1$Map.class

Assign2/bin/Preprocessing/Preprocessing_1$Reduce$1.class

Assign2/bin/Preprocessing/Preprocessing_1$Reduce.class

Assign2/bin/Preprocessing/Preprocessing_1.class

Assign2/bin/Preprocessing/stopwords$Map.class

Assign2/bin/Preprocessing/stopwords$Reduce.class

Assign2/bin/Preprocessing/stopwords.class

Assign2/bin/SetSimilarityJoins/Qa$Map.class

Assign2/bin/SetSimilarityJoins/Qa$Reduce.class

Assign2/bin/SetSimilarityJoins/Qa.class

Assign2/bin/SetSimilarityJoins/Qa_ALL_PAIRS$COUNTS.class