neglected dep update from r87a6cad20c90: that rev also forces nightly rust due to https://github.com/rust-lang/rust/issues/23121

Send teams&flags on entering a room

Implement game start & engine messages

Implement game config messages

Enable all lints from the rust-2018-idioms suite. Additionally, fix the violation of the bare-trait-objects lint.

Just to be kind to vim which is failing at sniffing

implementation of team related messages

Store saved room in yaml

let's keep track of the racer room config

partial room implementation

rework of prior

handle edge polling properly

Merge default to ios-develop

Merge ios-develop into default

Added tag Hedgewars-iOS-2.1 for changeset 195208deff1d

More fallback styling for hat preview webpage

Add <noscript> fallback for hats preview webpage

bullet bubbles

ensure shotgun works with portals and make it hit airmines

allow freezing airmines outside the Land area too. Make the top of frozen mine a little flatter

make the mine slippery too since it has the ice finish - add a gmDelete to the gear if you want it to *not* explode when hit ☺

Make mine active/hunting glow a bit more obvious. Add frozen sprite, increase ice beam mine "hit" radius a bit

make all bullets function similar to machinegun bullets (can hit/shove objects without checkin)

zero damage on air mine too

Remove unused variable in uLandObjects

Feedback dialog: Disable "send system information" checkbox by default Background: Explicit user consent.

Allow freezing airmines because whyyy not

theme object tweak

Checksum girders and masks too

merge this in too

IFDEF for Phys 2.0 which has no mountHandle - result will just be no hwp in hwp on those systems, which would be rarely used and DLC only.

0.9.24 merge of physfs tweak

Make wrapping a lua and its sidecar actually work.

example theme objects for the new theming features

new theme object features

adjust label, update ChangeLog

add chat size to misc settings. persist in settings.ini

WIP: make chat resizing faster hold shift for pixel-precise size changes

whoops, I initialized my new var incorrectly

fix some accidental code corruption caused by my last commit

WIP: allow changing chat size Press Ctrl+, Ctrl- and Ctrl0 while in chat

Fix win32 package creation

Merge default

Update frontend translation: Japanese

fix trace when bullets skip on water

Make EnableSwitchHog() more robust against failure, return gear UID

Continental supplies: No more hacky switch hog for North America

Lua API: Add EnableSwitchHog to manually enable hog switching

Continental supplies: Upside-Down World special now works in cave maps as well In cave maps, the hog is teleported just below the border. A bit of land is erased, too.

Update German Lua translation

Fix changelog mistake

CS: Fix display of ammo caption for weapon specials

Fix GetAmmoTimer implementation, swap arguments

Continental supplies: Fix continent ammo tooltip containing annoying "use of this weapon does not end turn"

Lua API: GetAmmoTimer, to get the player-set timer for an ammo

Lua API: Add 5th parameter showExtra to SetAmmoTexts to hide extra text

Rename SVG hats to be consistent with PNG versions

Simplify and shrink 5 SVG hats

Update copyright years

Update Taiwanese translation