implement up and down keys to navigate in the chat history, needs testing over network

don't display squares when pressing arrow keys in chat

formatting

do not hardcode CMAKE_INSTALL_PREFIX for windows, but rather put it in the script, so that custom build setups still work

Hard math to fix issue #571. Well, not really hard math, just checking if vector is in opposite direction and trait that as a special case when removing rope dividing point (this could only happens when rope sticks to land outline, so this basically fixes a bug in another bug).

oups

fix compilation with clang. fixes issue #553 - thanks to julien for reporting and to drew for the first part of the fix

at vatten's request. make resurrection always resurrect at least 1 hp out of kindness to noobs who can't be bothered to read tooltips

Call steps on focus instead. fix typo

Experiment in undisabling the brick theme flake

Crashed here last game

better message, as suggested by inu

return after ram size on win

Merge

add 'run Hedgewars' checkbox at the end of the NSIS installation

this should supposedly add hwplay:// schemes to windows, after user presses file association

No more std::string in feedbackdialog.cpp

this should prevent the password prompt from appearing on local games (issue #548)

grrrr

fix bug #552 - reset network button state after use

this should ensure those other voices play a bit more often.

hit hwplay://server:port and automatically join an unofficial server (on osx right now)

oops forgot to move header

Prepend, not append

fix highlander - needed new script load function

unbreak build

hooks for opening custom urls on osx (commented out until we decide what to do)

cleanup file loading, this codepath can be used to load url schemes