Seventh release candidate for 1.0.0

The seventh, and hopefully last, candidate for the 1.0.0 release. The fix to the config_gen.php script is a big one - it broke adding POP3 servers and had the potential to break a number of other module sets by not correctly calculating page assignments.

c55dce3 - fix a bug in the config gen causing modules to be left unassigned
d026fb6 - fix method comment for new return value
84338f1 - fix imap NOOP return value
c164021 - fix for reply to/cc formatting
45efc53 - i18n update
dec8c50 - fix debug title reference to the correct section of the install webpage
a15ec3b - fixes for message parts layout on mobile
2060f5c - fix a bug in the sent mail imap callback
0aa05f3 - fix favicon after converting images to svg (this one should be a png)