bump SemanticVersionDate to 2018-02-22

Author: Timothy Mothra Lee

GlobalStaticVersion.props

@@ -17,7 +17,7 @@
       as it will restart file versions so 2.4.0-beta1 may have higher 
       file version (like 2.4.0.2222) than 2.4.0-beta2 (like 2.4.0.1111)
     -->
-    <SemanticVersionDate>2017-07-03</SemanticVersionDate>
+    <SemanticVersionDate>2018-02-22</SemanticVersionDate>
 
     <PreReleaseVersion Condition="'$(PreReleaseVersion)'==''">$([MSBuild]::Divide($([System.DateTime]::Now.Subtract($([System.DateTime]::Parse($(SemanticVersionDate)))).TotalMinutes), 5).ToString('F0'))</PreReleaseVersion>
   </PropertyGroup>