add AARNet FileSender Galaxy tool

tools/aarnetfilesender/README.md

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+# AARNet FileSender
+
+This is a wrapper for AARNet's FileSender, using the FileSender CLI tool.

tools/aarnetfilesender/filesender.xml

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+<?xml version="1.0"?>
+
+<tool id="aarnet_filesender" name="AARNet FileSender" version="3.0.0" workflow_compatible="true">
+    <requirements>
+        <requirement type="package" version="3.0.0">filesendercli</requirement>
+    </requirements>
+    <command><![CDATA[
+
+#set $apiuser = $__user__.extra_preferences.get('aarnet_filesender_account|username', "").strip()
+#set $apikey = $__user__.extra_preferences.get('aarnet_filesender_account|apikey', "").strip()
+
+mkdir filestosend &&
+
+#for $file in $data
+    ln -s "$file" "filestosend/${file.element_identifier}" &&
+#end for
+
+filesender -p -u '$apiuser' -a '$apikey' -b https://filesender.aarnet.edu.au/rest.php -f "[email protected]" -r '$to' filestosend >$output 2>&1
+
+    ]]></command>
+    <inputs>
+        <param name="data" type="data" multiple="true" optional="false" label="Datasets to be sent:" />
+        <param name="to" type="text" optional="false" label="Email address of recipent:"><sanitizer sanitize="False"/></param>
+    </inputs>
+    <outputs>
+        <data name="output" type="data" format="txt" hidden="false"/>
+    </outputs>
+    <help>
+**What it does**
+        Send dataset(s) from Galaxy to anyone via AARNet's FileSender service.
+
+**Remarks**
+        This tool leverages AARNet's FileSender (https://filesender.aarnet.edu.au)
+        to send files out of Galaxy.
+
+        If selecting multiple datasets, make sure each dataset is named
+        differently; otherwise, only one copy of the selected datasets will be
+        sent.
+    </help>
+</tool>