backport fixes from 2.5

change serverlist public ip address autodetection url
fixed base OnSubItemAdded being hidden in playermobile

additional edge-case thread safety for RNG buffer filling

Added the command line argument -usehrt to enable high resolution timing on supported platforms (QueryPerformanceCounter)
Timing will fallback to DateTime.UtcNow.Ticks when QPC is unsupported.

dont call datetime.utcnow for every item during serialization

apipa range for serverlist autodetection

temporary edge-case fix

fix random impl race condition

update version display and project urls

include note about zlib in readme

use CSPRandom with MONO
add MONO comments to RunUO.exe.config

include RunUO.exe.config that specifies server GC by default
SMP systems are ubiquitous now

reduce timer queuing interval to 1ms (from 10ms) to prevent timer stacking with new high resolution timers (tested in production by vorspire)

remove mono conditionals that no longer seem to be necessary

mono should not need these fixes anymore

mono tickcount fix

add irc details to readme

update readme

update uosteam and razor urls

cleanup core.tickcount
fix typo in Mobile.cs

drag effects have the potential to crash SA clients regardless of any location checking

Update README.md

razor build url
version to 2.4.1