[Refactor] Rework inline options to preferences window

since inline options are not supported anymore in Thunderbird 58+
https://wiki.mozilla.org/Thunderbird/Add-ons_Guide_57

Author: moisseev

chrome/received/content/options.xul

@@ -0,0 +1,36 @@
+<?xml version="1.0" ?>
+
+<?xml-stylesheet href="chrome://global/skin/global.css" type="text/css"?>
+<?xml-stylesheet type="text/css" href="chrome://messenger/skin/preferences/preferences.css"?>
+
+<prefwindow title="Received options" xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
+    <prefpane>
+        <preferences>
+            <preference id="pref_regexp" name="extensions.received.regexp" title="Regular expression with capturing parentheses" type="string" />
+        </preferences>
+        <hbox>
+            <groupbox>
+                <label control="regexp" value="Regular expression with capturing parentheses:" />
+                <textbox id="regexp" size="140" preference="pref_regexp" />
+
+                <vbox style="height: 280px; overflow: auto">
+                    <groupbox>
+                        <caption label="Examples" />
+                        <description style="white-space: pre">
+(.*)
+
+             Displays all "Received" headers.
+
+
+^from (.+?) by mx\.example\.com
+
+            Displays the host where the email has come from.
+            The regular expression should match the first "Received" header added by the recipient's smtp server.
+                        </description>
+                    </groupbox>
+                </vbox>
+            </groupbox>
+            <vbox flex="1" />
+        </hbox>
+    </prefpane>
+</prefwindow>

install.rdf

@@ -9,12 +9,14 @@
     <em:version>0.2.3</em:version>
     <em:type>2</em:type>
     <em:unpack>false</em:unpack>
+    <em:optionsURL>chrome://received/content/options.xul</em:optionsURL>
+    <em:optionsType>3</em:optionsType>
 
     <em:targetApplication>
       <Description>
         <em:id>{3550f703-e582-4d05-9a08-453d09bdfdc6}</em:id>
         <em:minVersion>7.0</em:minVersion>
-        <em:maxVersion>56.0</em:maxVersion>
+        <em:maxVersion>61.0</em:maxVersion>
       </Description>
     </em:targetApplication>