Fix assets path in building.md
Add -d argument

It was advertised in the help but it didn't work
Add blegat to authors
Merge pull request #146 from blegat/master

Minor fixes
misc: improve building alignment with the foundation
misc: fixed building alignment issues

fixes #57
building.md: added info about AoEHD now being supported.
add debug overlay grid, togglable with F4
Merge pull request #138 from franciscod/debug_overlay_grid

game: add debug overlay grid, togglable with F4
Add .desktop file and generate placeholder icon.
Merge pull request #81 from boombatower/desktop-file-plus-icon

Add .desktop file and placeholder icon.