Draw legend line with custom pattern #356

By this fix, LineSeries draw the line in legend with specified pattern in Dashes.
Before this, Dashes is not used in legend at all.

CHANGELOG.md

@@ -45,6 +45,7 @@ All notable changes to this project will be documented in this file.
 - XamlExporter background (#233)
 - .NET 3.5 build (#229)
 - Support WinPhone 8.1 in core NuGet package (#161)
+- Draw legend line with custom pattern (#356)
 
 ## [2014.1.546] - 2014-10-22
 ### Added

CONTRIBUTORS

@@ -55,6 +55,7 @@ Patrice Marin <patrice.marin@thomsonreuters.com>
 Philippe AURIOU <p.auriou@live.fr>
 Piotr Warzocha <pw@piootr.pl>
 Senen Fernandez <senenf@gmail.com>
+Shun-ichi Goto <shunichi.goto@gmail.com>
 Stefan Rado <oxyplot@sradonia.net>
 Taldoras <taldoras@googlemail.com>
 thepretender