Revert "Delete Microsoft.Xna.Framework.xml"

This reverts commit a158505605e099c6fd54edbc51a63457de3f5be8.
Revert "Delete Microsoft.Xna.Framework.dll"

This reverts commit 1adc52ad9a6b8ae8d591df7caac75d8682c29cc6.
Revert "Delete Microsoft.Xna.Framework.Xact.xml"

This reverts commit 57a9fae50adeb51b85c99bf9ba4d76d94b1a9b7c.
Revert "Delete Microsoft.Xna.Framework.Xact.dll"

This reverts commit 5c06d33257c31fd5ae778f98c2f2e631bcc39181.
Revert "Delete Microsoft.Xna.Framework.Graphics.xml"

This reverts commit faaf16443df9613eb3ac677d62171ffaf71b6642.
Revert "Delete Microsoft.Xna.Framework.Graphics.dll"

This reverts commit f8d3539d08ff94415979caab79526dada9fc8efe.
Revert "Delete Microsoft.Xna.Framework.Game.xml"

This reverts commit b4cde694950ab010d750cda89d56ac9ce26f28d2.
Revert "Delete Microsoft.Xna.Framework.Game.dll"

This reverts commit 4510c55c5c84bda553cba60b8d8d061df1b0d772.
Revert "Delete Roslyn.Compilers.xml"

This reverts commit 6203ba7a0edecb17def9c826f6c71ca2578e5dfc.
Revert "Delete Roslyn.Compilers.dll"

This reverts commit 7bff260388b7f369a478be933c7534e02c9d6170.
Revert "Delete Roslyn.Compilers.CSharp.xml"

This reverts commit 16c91dc51d91b2f5e3dd32762cd219d48b54eab1.
Revert "Delete Roslyn.Compilers.CSharp.dll"

This reverts commit 64a1048081bffd51a3a0d1108096a89a28fcf2ff.
Revert "Delete Geometric Altercations.exe"

This reverts commit 4e1290e9ad2dd8794761523571f86f399d67787f.
Update .gitignore