[CONFIG] Checkstyle: method names set to camelCase pattern.

Author: Gonzalo Diaz

config/checkstyle/checkstyle.xml

@@ -348,7 +348,7 @@
       <property name="excludeScope" value="nothing"/>
     </module>
     <module name="MethodName">
-      <property name="format" value="^[a-z][a-z0-9]\w*$"/>
+      <property name="format" value="(^[a-z]|[A-Z0-9])[a-z]*$"/>
       <message key="name.invalidPattern"
              value="Method name ''{0}'' must match pattern ''{1}''."/>
     </module>