Fix windows line endings.

.gitattributes

@@ -0,0 +1,23 @@
+# Auto detect text files and perform LF normalization
+*        text=auto
+
+*.cs     text diff=csharp
+*.java   text diff=java
+*.html   text diff=html
+*.py     text diff=python
+*.pl     text diff=perl
+*.pm     text diff=perl
+*.css    text
+*.js     text
+*.sql    text
+*.q      text
+
+*.sh     text eol=lf
+
+#test files, use lf so that size is same on windows as well
+data/files/*.dat    text eol=lf
+
+*.bat    text eol=crlf
+*.cmd    text eol=crlf
+*.csproj text merge=union eol=crlf
+*.sln    text merge=union eol=crlf

src/main/config/checkstyle/checker.xml

@@ -51,7 +51,9 @@
   <!-- Miscellaneous other checks (checker).         -->
   <!-- See http://checkstyle.sf.net/config_misc.html -->
     <!-- Require files to end with newline characters -->
-  <module name="NewlineAtEndOfFile"/>
+  <module name="NewlineAtEndOfFile">
+    <property name="lineSeparator" value="lf"/>
+  </module>
 
   <!-- Checks for whitespace (tree walker)                 -->
   <!-- See http://checkstyle.sf.net/config_whitespace.html -->