update Sass to 3.4.16

pom.xml

@@ -129,7 +129,7 @@
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 		<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
 		<compass.version>1.0.3</compass.version>
-		<sass.version>3.4.15</sass.version>
+		<sass.version>3.4.16</sass.version>
 		<jruby.version>9.0.0.0.rc2</jruby.version>
 		<maven-libs.version>3.3.3</maven-libs.version>
 		<scss-lint.version>0.40.1</scss-lint.version>

src/site/apt/releasenotes.apt.vm

@@ -38,13 +38,13 @@ ${project.name} ${project.version} Release Notes
 
 ** Fix
 
-  * As a result of updating JRuby some Windows issues are expected to be fixed 
+  * As a result of updating JRuby some Windows issues are expected to be fixed
     ({{{https://github.com/GeoDienstenCentrum/sass-maven-plugin/issues/41}#41}}),
 
 ** Enhancements
 
-~~  * Update Sass to version ${project.properties.get("sass.version")}, please check
-~~    the {{{http://sass-lang.com/documentation/file.SASS_CHANGELOG.html}Sass changelog}}
+  * Update Sass to version ${project.properties.get("sass.version")}, please check
+    the {{{http://sass-lang.com/documentation/file.SASS_CHANGELOG.html}Sass changelog}}
 
 ~~  * Update SCSS-Lint to version ${project.properties.get("scss-lint.version")}, please check
     the {{{https://github.com/brigade/scss-lint/blob/master/CHANGELOG.md}SCSS-Lint changelog}}