Upgrade to Maven Checkstyle plugin 2.13

Release Notes - Maven Checkstyle Plugin - Version 2.13

** Bug
    * [MCHECKSTYLE-126] - Generated HTML page contains "charset=${outputEncoding}"
    * [MCHECKSTYLE-214] - Resources retrieval ignores resources definition in <build>
    * [MCHECKSTYLE-225] - headerLocation no longer sets checkstyle.header.file
    * [MCHECKSTYLE-230] - ConcurrentModificationException in FileResourceLoader.getResource
    * [MCHECKSTYLE-237] - Changeset 1608113 introduces "Line 0" regression
    * [MCHECKSTYLE-238] - ConcurrentModificationException
    * [MCHECKSTYLE-244] - LicenseResourceManager component is not thread safe and causes parallel build failures



** Improvement
    * [MCHECKSTYLE-70] - Support for multiple source folders
    * [MCHECKSTYLE-148] - Would be nice to see the name of CHECK together with its output
    * [MCHECKSTYLE-215] - Abandon sourceDirectory and testSourceDirectory for MavenProject#getCompileSourceRoots
    * [MCHECKSTYLE-217] - Add parameter which skips rule rows which do not have any violations
    * [MCHECKSTYLE-232] - add the version of Checkstyle to the generated report
    * [MCHECKSTYLE-233] - link to rules documentation
    * [MCHECKSTYLE-234] - group rules by category
    * [MCHECKSTYLE-235] - improve difference between rules with and without violations
    * [MCHECKSTYLE-236] - add Rule name to violation message

** New Feature
    * [MCHECKSTYLE-242] - fine grained ignore of violations


** Task
    * [MCHECKSTYLE-248] - Remove RegexBasedInterpolator and ValueSource


** Wish
    * [MCHECKSTYLE-239] - remove Translation rule from Maven checks
    * [MCHECKSTYLE-240] - add 17, 31 and 37 to ignored MagicNumber
    * [MCHECKSTYLE-241] - add SuppressWarningsFilter (introduced in Checkstyle 5.7) to support @SuppressWarnings
    * [MCHECKSTYLE-243] - log check violations to console by default
    * [MCHECKSTYLE-246] - add UniqueProperties rule (introduced in Checkstyle 5.7)
    * [MCHECKSTYLE-247] - add CHECKSTYLE_OFF/ON: regexp support (SuppressionCommentFilter)