Revert "Updated Documentation and .gitignore"

This reverts commit fa9b0832d2708b48f8e96a4eab4c1aee8087ad9d.
Revert "Delete Solarus.vcxproj.filters"

This reverts commit 6da2536a354d2e444053451ddcbabdb6f1387ce8.
Revert "Revert "Updated Documentation and .gitignore""

This reverts commit f2e18525147cbd42276027ffd067684b6fe98880.
Revert "Delete Solarus.vcxproj"

This reverts commit fd0632fc1fead7f87ed247134aff28d47d9982d5.