Fixed twitter link

vendor/sebastian/recursion-context/build.xml

@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project name="recursion-context">
+ <target name="clean" description="Cleanup build artifacts">
+  <delete dir="${basedir}/vendor"/>
+  <delete file="${basedir}/composer.lock"/>
+ </target>
+
+ <target name="composer" depends="clean" description="Install dependencies with Composer">
+  <tstamp>
+   <format property="thirty.days.ago" pattern="MM/dd/yyyy hh:mm aa" offset="-30" unit="day"/>
+  </tstamp>
+  <delete>
+   <fileset dir="${basedir}">
+    <include name="composer.phar" />
+    <date datetime="${thirty.days.ago}" when="before"/>
+   </fileset>
+  </delete>
+
+  <get src="https://getcomposer.org/composer.phar" dest="${basedir}/composer.phar" skipexisting="true"/>
+
+  <exec executable="php">
+   <arg value="composer.phar"/>
+   <arg value="install"/>
+  </exec>
+ </target>
+</project>
+