Add corrected test and validation sets

how2sign_holistic_features/test/frontal.rar

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+size 1661399392

how2sign_holistic_features/test/side.rar

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:6ee83a1bea00d5a496d9680c1fc73e1d8a8aa05fe6954ce5d2d4481a25e2c594
-size 241060005
+oid sha256:9abb14d1f548497bdedda530e266b85f5c16388985347d627b3c78918e23b223
+size 766995028

how2sign_holistic_features/val/frontal.rar

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 version https://git-lfs.github.com/spec/v1
-oid sha256:6889a4f1c0b0b305a70e1625a8577d2c532f9975794fd23da0509a98a3512611
-size 196261063
+oid sha256:20b27e79af13514f1a7b771da0b712e25c1955137b34ef6606e03915f0a4c377
+size 1202030579

how2sign_holistic_features/val/side.rar

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 version https://git-lfs.github.com/spec/v1
-oid sha256:b39fec0db229ae0a762a08b2d363334d699e0a795314feea8c53ce99e35b6d12
-size 169642399
+oid sha256:a5c209c120e3270fd702c03991aba5d1051e1cc88d8fdfabfea9752c453f320f
+size 502768839