exclude DLC theme from random theme selection

rooms-list: fix "Forts" map type being displayed in dark red

make hog fallback (flower-in-hole) positioning respect limits (e.g. used by gfDivideTeams)

fix incorrect debug message

Only build engine to c with clang on travis

Minor changes to the travis file Reuse TRAVIS_OS_NAME for ios, move the ios checks after all the others, add a new line between sections, drop unneeded search path for osx.

make construction mode recognize fort maps too

tweak preview

tweak preview

Added "Forts" to map type selection. This makes the mode easier selectable/discoverable. Also the slider can be used to adjust the distance between forts.

fallback to stdout if no writable logfile available

update Changelog

Set install dir for emscripten While not required, should help compatibility with older cmake versions.

Drop duplicated include from CMakeLists.txt

fix issue #8: Static skull and bones flakes near the water in Sudden Death in themes without flakes