Firewall: FIX allowed chars in remark
Firewall: Now it is possible to just change the remark in input and outgoing
Firewall: When no manual ip is given, standard networks "all" is selected
firewall: Add rate limiting for LOG messages.

Fixes #10488.
firewall: Add chain name to logged rules.

This helps us to debug faster where a packet has been dropped.
firewall: Extend rate limiting for ICMP error messages.

Fixes #10489.
firewall: Don't colourise MAC addresses.

Fixes #10491.
Firewall: When no manual ip is given on rulecreation and rule is added, there's automatically std_networks "ALL" selected
Firewall: Remarkcheck should now support old firewallrules from converter
Merge remote-tracking branch 'amarx/beta3' into next
firewall: Make ICMP ratelimiting a bit saner again.