add visual notification on room joins

fix accepting on wrong server socket

Merge alfadur's commits

Sdlkeys.cpp: Move delete key

Frontend: Refactor detection of keyboard keys in sdlkeys[]

upgrade to QSslSocket

add argument flag for tls connections

Update German locale

Update English frontend locale

Update locale files

Refactor decimal separator to make Pas2C happy

Fix Pas2C failing to include SysUtils

Backed out changeset 13589d529899 So, we only disabled this on the release branch in r29d614a5c9eb due to having discovered it JUST before release. We should fix it properly in default...

Force-enable NOVIDEOREC when building PAS2C due to bug #722

Frontend: Slightly increase size+padding for QLineEdit, QSpinBox

Use Qt style "Windows", remove optional dependency on qtstyleplugins

Add explicit custom scroll bar style

Implement external events approach to input user actions into engine. Doesn't work for some obscure reason ("Error: Unknown method parameter type: LongEventType")

Don't save "!MULTI" pseudo-key into team files

Fix crash when pressing key bind reset button in settings

sdlkeys.cpp: Remove keys without physical representation

Frontend: Make "missing key name" warning more generic

Match key names in sdlkeys with SDL-pretty printed names (for localization)

Frontend: Fix wrong keyboard key names being displayed with regard to keyboard layout

don't redirect to self

Show key combinations in controls config menu (read-only)

Add support for 4th and 5th mouse button

Move Hedgewars key IDs to CSV file

Make key ID generation algorithm more useful

Fix some minor problems with new frontend code

Limit room name change rate

Merge

Prevent entering “/”, “\” and “:” in team and scheme names. The name of teams and schems is saved in the file name itself, so these characters would cause trouble as they are used in path names in Linux and Windows.

accept redirect messages

Escape HTML chars in stats screen

Frontend: Force plain text mode for many message windows

add redirect message

Merge alfadur's Opus commit and more

Fix some Qt<->SDL key mappings

Add lookup table for Hedgewars key IDs instead of generating IDs on the fly This makes sure the key IDs never change. Previous implementation abused SDL_GetScancodeName to generate the IDs programmatically, which was not reliable and explicitly adviced against in the SDL documentation <https://wiki.libsdl.org/SDL_GetScancodeName#Remarks>.

enable sdl_mixer opus support if possible

allow running plaintext and tls servers in parallel

Change init theme to Nature

Change theme to Nature if changing from background-only or hidden theme to a generated map type

Change color of fallback border/land texture in Planes theme to brown

Fix some ugly weirdness in fallback land/border textures of Blox/Eyes themes

Space Invasion: Fix missing arg in math.min

Space Invasion: Fix possibility to go over shield limit with param

Space Invasion: Fix minor visual glitches of shield

Update changelog WRT sounds

Remove redundant PoisonCough/PoisonMoan sound files

Separate Yoohoo.ogg into "Yoohoo" voice and kiss sound Sound has been separated with mp3splt, so no quality loss

Poison taunts: Fall back to Default voice if missing

Update changelog WRT translations

Don't include Arabic in release (RTL support is broken)

Add yuenfu to credits for Chinese translation

Update Chinese (zh_CN, zh_TW) translation: Frontend and engine

Add Chinese (zh_TW) translation for campaigns and missions

SimpleMission: Fix incorrect documentation for distGearGear and distGearPos

SimpleMission: Fix Lua error spam when a goal fails