fix 218902 support tls for pop3 and add account settings ui, ported from seamonkey

mail/locales/en-US/chrome/messenger/AccountManager.dtd

@@ -20,6 +20,6 @@
      panel content to fit. 1em = the width of the letter 'm' in the selected font.
      XUL/FE DEVELOPERS: DO NOT MODIFY THIS VALUE. It represents the correct size of
      this window for en-US. -->
-<!ENTITY accountManager.size "width: 55em; height: 44em;"> 
-<!ENTITY macAccountManager.size "width: 60em; height: 44em;">
+<!ENTITY accountManager.size "width: 55em; height: 50em;"> 
+<!ENTITY macAccountManager.size "width: 60em; height: 50em;">
 <!ENTITY accountTree.width   "width: 17em;">

mail/locales/en-US/chrome/messenger/am-server-top.dtd

@@ -1,5 +1,6 @@
 <!-- extracted from am-server-top.xul -->
 
+<!ENTITY securitySettings.label "Security Settings">
 <!ENTITY serverSettings.label "Server Settings">
 <!-- LOCALIZATION NOTE (popServer.label) : do not translate "POP" in below line -->
 <!ENTITY popServer.label "POP Mail Server">
@@ -27,6 +28,15 @@
 <!ENTITY biffEnd.label "minutes">
 <!ENTITY isSecure.label "Use secure connection (SSL)">
 <!ENTITY isSecure.accesskey "U">
+<!ENTITY socketType.label "Use secure connection:">
+<!ENTITY neverSecure.label "Never">
+<!ENTITY neverSecure.accesskey "N">
+<!ENTITY sometimesSecure.label "TLS, if available">
+<!ENTITY sometimesSecure.accesskey "a">
+<!ENTITY alwaysSecure.label "TLS">
+<!ENTITY alwaysSecure.accesskey "T">
+<!ENTITY alwaysSSL.label "SSL">
+<!ENTITY alwaysSSL.accesskey "L">
 <!ENTITY useSecAuth.label "Use secure authentication">
 <!ENTITY useSecAuth.accesskey "i">
 <!ENTITY leaveOnServer.label "Leave messages on server">

mail/locales/en-US/chrome/messenger/localMsgs.properties

@@ -245,3 +245,7 @@
 ## @name POP3_TMP_DOWNLOAD_FAILED
 ## @loc None
 4038=There was an error downloading the following message:   \nFrom: %S\n   Subject: %S\n This message may contain a virus or there is not enough disk space. Skip this message?
+
+## @name NS_ERROR_COULD_NOT_CONNECT_VIA_TLS
+## @loc None
+4039=Unable to establish TLS connection to POP3 server. The server may be down or may be incorrectly configured. Please verify that your Mail/News account settings are correct and try again.