Update number of acceptable classification errors. (#7026)

* Update number of acceptable classification errors.

* Update number of acceptable errors when using --all

script/cross-validation

@@ -2,11 +2,11 @@
 
 # Number of acceptable classification errors.
 # It should only be decreased.
-ACCEPTABLE_ERRORS = 19
+ACCEPTABLE_ERRORS = 14
 
 # Number of acceptable classification errors when using --all.
 # It should only be decreased.
-ACCEPTABLE_ERRORS_ALL = 777
+ACCEPTABLE_ERRORS_ALL = 744
 
 # Avoid buffering output.
 STDOUT.sync = true