Fixed building on Windows and CMD scripts

Merge branch 'master' of github.com:mwydmuch/ViZDoom

Removed gifs from the repo.

Former-commit-id: 1d07b6c

Improved CMakeLists.txt and scripts for Windows

Former-commit-id: bd6a13b

Fixed .travis.yml parsing error

Former-commit-id: 317e6ee

Fixed Farama-Foundation#47 - building on Windows 10

Former-commit-id: eba3ede

Updated rockspec to 1.1.2

Former-commit-id: bbb41b4

Update Changelog.md

Former-commit-id: 1257e81

Added dependencies for Python and Lua packages in CMakeLists.txt

Former-commit-id: 8580135

Formatting fixes in some files

Former-commit-id: 7949ed9