minor position tweaks. hopefully checking array bounds correctly

- Reactivate pings timer, reimplement PING handler - Reimplement INFO

A very very basic snow implementation

Introduce numbered server notice messages

merge

Make client quit on send exception (was commented due to another approach in handling connection lost)

update weapons

Force RNF in AnswerClients too, in order to prevent lazyness in actions (most probably it's redundant to do that, still I do)

this should prevent that ever again

Reimplement some more Actions

damn. it.

added density for gears used in gfMoreWind, needs alot of tweaking

io = liftIO

added copying also to schemes and updated some translations

Reimplement one more Action

added copying of weapon sets

Finally a solution for excess lazyness when working with unsafeThaw'ed arrays

Merge henek's changes

Send spectators info

removing all " " in filenames under share and replacing "_" with " " in missions

Apply rev b9fe93f187c4 to server rewrite too

disable fix for issue #24 in order to fix issue 123, as suggested by koda

Send teams info on join

added MapHasBorder function for lua and finnished Random Weapons gameplay, might still change though

Switch default to the compost garbage ball (pending a proper mudball from a real artist), set Snowball for Snow theme only, change en.txt to Mudball

Updated Slovak translation + merge

Send room config to client

- Allow user to use undo, to clear, save and load drawn maps - Fix a couple of bugs related to those operations