Merge pull request DFHack#30 from OwnageIsMagic/patch-2

Update siren.lua

Add "pathable" plugin front-end (gui/pathable.lua)

Add "pathable" plugin front-end (gui/pathable.lua)

Merge remote-tracking branch 'brndd/patch-1'

Closes DFHack#18

check-release: update to 8-character commit abbreviations

Fix devel/find-offsets help text (not Linux-only)

Add fix/tile-occupancy

Fixes bad unit/building occupancy flags

Merge branch 'master' of gh:dfhack/scripts

Add .travis.yml

Fix whitespace issues