chore: checkstyle task about NewlineAtEndOfFile and FileTabcharacter
are now warnings.
<!-- http://checkstyle.sourceforge.net/config_misc.html -->
<module name="NewlineAtEndOfFile">
<property name="lineSeparator" value="lf"/>
+ <property name="severity" value="warning"/>
</module>
<!-- http://checkstyle.sourceforge.net/config_whitespace.html -->
<module name="FileTabCharacter">
<property name="eachLine" value="true"/>
+ <property name="severity" value="warning"/>
</module>
<!-- http://checkstyle.sourceforge.net/config_regexp.html -->
