Allow to escape | and : character in engine translation files

Engine translation: With '::' can now suppress colons for highlighting

If u play Piano, you can now hear the notes if sound effects OR music is enabled Previously, they always required sound effects to be on

Properly play Valkyries music in Rope Knock Challenge (no more music overlap)

Add PlayMusicSound/StopMusicSound to Lua API

Refactor usage of sndRideOfTheValkyries, now can play if music is on and sound is off

Fix freezer ray extending with low fuel usage when firing straight up/down while holding up/down key

Fix bug #651: sliding hog firing rope could end up stuck in land right after the rope has attached

some more ja.txt fixes

additional descriptions for ja.txt

Remove double space at end of chat messages from server

Frontend: Make sure special nicks always show up in square brackets

Add a new king death message

Allow duplicate placeholders in engine strings

more ja.txt fixes

Add script to check engine locale files for problems

Remove string with duplicate placeholder in sk.txt Duplicate placeholders are not supported yet.

Fix incorrect string number for Slovak strings for King death

Support CJK fonts for sidFPS as well

Add CJK font support for sidAmmoCount

fix some of Wuzzy's rage

some ja.txt corrections

update ja.txt

Also report chat and added rooms in log

Fix hog can drop more than 2 s. mines if first one was dropped from utility, then stop using that utility Fixes bug #701.

Finish hedgewars-checker implementation

disable basic comment support 'cause lua is nuts

Create replay file, run engine, result from it and send it to the server. Not implemented: filtering of engine output.

Start checker implementation in rust

Fix silly loop

Add --protocol option to engine

change draw_thick_line iteration order to benchmark winner

Change Land2D::fill() arguments a bit

Fix ArcPoints never finishing

revert 2354264ab0b0

apply some codegolfing for dubious reasons

Use integral-geometry iterators to implement Land2D::draw_thick_line, remove no longer unused functions from Land2D

Don't generate unnecessary duplication in case of equal coordinates

Add EquidistantPoints iterator to help iterating over all points of circles

Implement ArcPoints iterator for circles

put back land2d.map accidentally replaced by testing code

fix fppoint.max_norm

move point struct into integral-geometry and use it to refactor a bit

Improve test a bit

Make use of LinePoints in Land2D::draw_line

Introduce integral-geometry crate, implement LinePoints iterator

Raise levels of abstraction to implement draw_thick_line() avoiding code duplication

Lua: Add PLATFORM global var to distinguish between desktop and mobile builds

add left scalar operations to fpnum

Implement Land2D::change_round()

Implement get_unchecked* functions for Vec2D

add opassign implementations

make methods public

add scalar operations

fix test

add more fpnum functions

Implement Land2D::fill() + tests

Add basic windows build script

fix library names in engine

Make parameters meaning more obvious

tag both as overloadable - seems to satisfy clang 3.4

fix path to ppas.bat to avoid confusing nmake

add back accidentally removed sections

Start land2d library implementation: draw_line() method