fix for issue #441 ("Cannot overwrite default weapon set 'Default'!" message when no change to weapon set was made)

Set minimums on a few values to avoid camera zooming out past them. partly issue #430. Might be worth defining a new constant for this.

eh. might as well toss this in for reference purposes

Fix bad loc calls in campaign, rope training. Regenerate lua. Untested.

fix for the root cause of issue #434 (previous pages being visible in the background)

issue #445 spin math

disable F5 key and data refresh

rollback of r08642c7da4a3b5e05be51a8b45995e799bbc4bbf ("add DLC button to net game room")

missed this one when fixing regular flakes. issue #444

0.9.18 release branch

Restore -gv, limit points to template dimensions

-gv was causing broken behaviour

add gsoc students. also sphrix to translators

countless small optimisation for cmake, output messages are now coherent (mostly) and the options get fully respected (eg. skipping library search if not activated)

finally videorec on osx

I hate Windows and it hates me...

add surname to credits

support video recording on windows with automation and headers

enable png support under win32

hgignore and skip one config file for win32

download SDL dlls if not present

update SDL headers for winutils

Make explosion look depend less on fps

fuuuuuuuuuuuu don't use stack checking