Add MapEditor submodule.
Add build director to gitignore.
Merge branch 'dev' of https://github.com/splatterlinge/Splatterlinge into dev
Resize textures.
Convert to grayscale and remove alpha channel.
Change heightmap back to rgb mode (workaround, because of map editor).
Update README.md
Update README.md
Delete submodules.
Add submodules (paths adapted).
Change submodules to public url.
Change submodules urls.
Add ignore submodules to travis config.
Add tools dir to gitignore.
Update MapEditor.
Change git clone depth.
Merge branch 'master' into dev
Changed model of splatterling. Calculation of face texture is done automatically.
moved powerup logic from player to powerup class;
tweaked player's weapon logic
Added snap sound while splatterling is attacking.