Rename jarowinkler to jaro_winkler

Author: luozhouyang

README.md

@@ -214,7 +214,7 @@ It is (roughly) a variation of Damerau-Levenshtein, where the substitution of 2
 The distance is computed as 1 - Jaro-Winkler similarity.
 
 ```python
-from strsim.jarowinkler import JaroWinkler
+from strsim.jaro_winkler import JaroWinkler
 
 jarowinkler = JaroWinkler()
 print(jarowinkler.similarity('My string', 'My tsring'))

strsim/jarowinkler.py renamed to strsim/jaro_winkler.py

@@ -20,7 +20,7 @@
 
 import unittest
 
-from .jarowinkler import JaroWinkler
+from .jaro_winkler import JaroWinkler
 
 
 class TestJaroWinkler(unittest.TestCase):

strsim/jarowinkler_test.py renamed to strsim/jaro_winkler_test.py

@@ -22,7 +22,7 @@
 from .cosine import Cosine
 from .damerau import Damerau
 from .jaccard import Jaccard
-from .jarowinkler import JaroWinkler
+from .jaro_winkler import JaroWinkler
 from .levenshtein import Levenshtein
 from .longest_common_subsequence import LongestCommonSubsequence
 from .metric_lcs import MetricLCS