fix the ammomenu F# buttons

- change uKeys to be event based rather than polling - missing engine+frontend exit - missing controller support - needs testing on different platforms and keyboards

case sensitivity + correct variable check

when libpng is not found, gratiously fallback to bmp screenshots; untested

ios minor warning and optimisation for team color

Make clouds/flakes change direction smoothly

Allow LIST command while in room to not annoy old frontends (0.9.17 or less) with warnings

added savepassword checkbox to options page, which now reloads values at every acces

add a checkbox for the password field prompt (issue #316)

fixed uKeys (aka almost revert it back)

ios: turn on more warning messages and start correcting them

memory leak in hwform.cpp (issue #386)

fix compiling hw for ios (was looking for the wrong math.h and used an old variable name)

*sigh*

Seems to me placing hogs does not need 5s since it is a fixed interval now. Maybe if placing hogs was ever 0 seconds or something.