Fixed typo
Ignor auctex auto-folder and contents

When working with multifile LaTeX-documents in AUCTeX in emacs, it creates the auto-folder to keep track of styles, macros etc. in the whole document. Unnecessary of versioning purposes.
Remove unnecessary rules
Merge pull request #1055 from PR3x/master

Fix EOL issues in multiple gitignores
Merge pull request #1045 from DaikiMaekawa/master

Fixed that the ROS.gitignore was not functioning properly
[Objective-C] Fixes a broken link

This got changed recently.
Merge pull request #1056 from kylef/patch-2

[Objective-C] Fixes a broken link
Merge pull request #1046 from stenskjaer/patch-1

Ignore auctex auto-folder and contents