Revert "Update .gitignore"

This reverts commit 9d38814.

.gitignore

@@ -1,21 +1,36 @@
-/[Ll]ibrary/
-/[Tt]emp/
-/[Oo]bj/
-/[Bb]uild/
+# Source: http://kleber-swf.com/the-definitive-gitignore-for-unity-projects/
 
-# Autogenerated VS/MD solution and project files
-*.csproj
-*.unityproj
-*.sln
-*.suo
-*.tmp
-*.user
-*.userprefs
-*.pidb
-*.booproj
-
-# Unity3D generated meta files
-*.pidb.meta
-
-# Unity3D Generated File On Crash Reports
+# =============== #
+# Unity generated #
+# =============== #
+[Tt]emp/
+[Oo]bj/
+[Bb]uild
+[Ll]ibrary/
 sysinfo.txt
+*.stackdump
+
+# ===================================== #
+# Visual Studio / MonoDevelop generated #
+# ===================================== #
+[Ee]xported[Oo]bj/
+.vs/
+/*.userprefs
+/*.csproj
+/*.pidb
+/*.suo
+/*.sln*
+/*.user
+/*.unityproj
+/*.booproj
+
+# ============ #
+# OS generated #
+# ============ #
+.DS_Store*
+._*
+.Spotlight-V100
+.Trashes
+Icon?
+ehthumbs.db
+[Tt]humbs.db