Fix 32-bit overflow in Per IP traffic monitoring
Copy of the previous counter values must also use 64-bit values like the counter values does
Updated documentation
Merge remote-tracking branch 'upstream/master'
Don't add traffic to the tree if we decided we weren't ready for an update - would cause some traffic to be added twice
Missing from commit 966634614bdee0ddfec0caa284f52bf04b617111
Don't treat loading an empty file as a failure - it could be a freshly created data file with no record yet
The speed array contains counter values, so they must be 64-bit
Removed speed reporting code since we don't use it - saves a good deal of RAM
Setting wasn't written back to mtd, so it was again set after reboot
Updated documentation
Do not display DDNS warnings if not using AsusDDNS
Merge remote-tracking branch 'upstream/master'