Changed msgids in messages.po

changed.msgids.javascript.po.txt

read 1 line and then replace Firefox with Thunderbird:

msgid "Love Firefox and have a few moments to help?<br /> Help other Firefox users on Twitter. Good things will come to those who tweet!"
msgid "Sign in with <mark>Twitter</mark>"
msgid "Want to go beyond 140 characters? <a href=\"%(join_url)s\">Join the support community</a> and help many more Firefox users."
msgid "Firefox Support Home Page"
msgid "Need Help With <mark>Firefox?</mark>"
msgid "Firefox Sync Support Home Page"
msgid "Need Help With <mark>Firefox Sync?</mark>"
msgid "Firefox Help"
msgid "Firefox version"
msgid "Search the Firefox Support Knowledge Base and Support Forum."
msgid "Firefox version:"
msgid "Firefox 4"
msgid "You've come to the right place for Firefox help!"
msgid "Firefox Help"
msgid "Did you know that Firefox Help is powered by volunteer superheroes all around the world?"
msgid "Firefox"
msgid "Firefox Add-ons"
msgid "About Firefox"
msgid "Search Firefox Help"
msgid "Firefox Help Home"
msgid "Return to Firefox Support homepage"
#~ msgid "Fastest Firefox"
#~ msgid "SpreadFirefox"
#~ msgid "Other Firefox Support"

read 2 lines instead of 1 line and then replace Firefox with Thunderbird

msgid ""
"We have created <a href=\"%(signpost_help_url)s\">signpost messages</a> for easily replying to top Firefox topics on Twitter. If you would like to have messages for your language appear here, "
"contact Kadir Topal for more info: %(contact_email)s"ho