The out of date models flag is automatically generated by the system, we don't want this in Git

ref http://msbuildlog.com/

Add .jekyll-cache/ as per envygeeks/jekyll-assets

* Update Unity.gitignore

Prevents directories: `Library`
`Temp`
`Obj`
`Build`
`Builds`
`Assets/AssetStoreTools`
from being included in the remote if the project sits in the `Assets` folder.

* removed wildcards from Unity's .gitignore

Prevents directories: `Library`
`Temp`
`Obj`
`Build`
`Builds`
`Assets/AssetStoreTools`
from being included in the remote if the project sits in the `Assets` folder.

* without . the auto directory is still considered for commits

* small addition that ensures all Emacs-Lisp files (.el files) are ignored

* Update VisualStudio.gitignore

Revert "Remove Composer's file and directory."

Remove .glide/ ignore

Ignore Visual Studio 2017 C++ app generated files.

UnrealEngine - Include Plugins folder

Update comment

Update VisualStudio.gitignore

This reverts commit 5b836814.

Spelling

Update Terraform.gitignore

Fix link to go to current anchor

Improvements: 

 * `.terraform` directories could be created in any subdirectory when user runs `terraform init`.
 * Quite an interesting variations of`.tfstate` files are created by Terraform such as `.*.tfstate.d` or  `.*.tfstate.lock.info`. It's best not to name any file with `*.tfstate.*` pattern.
 * `*.tfvars` files often contain private data and not supposed to be committed.

This was a workaround for https://github.com/Masterminds/glide/issues/736Signed-off-by: Nbndw <benjamindwoodward@gmail.com>

Windows.gitignore - Change desktop.ini to [Dd]esktop.ini

Ignore Nuget package directory name casing

It looks like VS2017 changed it's nuget package directory name to be capitalized.
When using Ubuntu for Windows, directory name casing of NuGet package folder becomes important and detected as a change by git,. This change is to ignore regardless of casing.

Fixed typos in README.md

There were just a couple of typos in the README that I fixed.

Commenting out Android keystore files

Android keystore files are critical and losing them is destructive.

They should be commented out by default, the user should explicitly uncomment their line if they intend not to include them into their repository.