Ignore logs for Symfony4

updated jetbrains gitignore to ignore contentModel

New template for diff files

Source: https://symfony.com/doc/master/logging.html
Under Where Logs are Stored, added since Symfony 4.0

Update Laravel.gitignore

Fixing MIDL header file pattern for Visual Studio

_i.h given in 799ee6b7#gitext://gotocommit/799ee6b79e1d32f49ded6683b5364017fd4ee0a5 is wrong

Ignore files from Local History plug-ins

Local History for Visual Studio automatically creates a history of your files every time they are saved. The history can be compared with the current version. It is a solution situated between version control and undo/redo of history, available by default in Eclipse and IntelliJ IDEs.
https://marketplace.visualstudio.com/items?itemName=AronDCurzon.LocalHistoryforVisualStudio
https://marketplace.visualstudio.com/items?itemName=lostalloy.LocalHistory-for-Visual-Studio

Add configure logs

These files are created when running `autoreconf`; however they don't need to be added to version control.

Update TeX.gitignore

Added LyX editor backup file extension: i,e .lyx~

Patch artifacts

contentModel.xml is automatically generated and can be safely ignored.

Source: https://rider-support.jetbrains.com/hc/en-us/community/posts/115000661950-A-lot-of-files-in-contentModel-xml?page=1#community_comment_115000538984

JetBrains: Optional excludes for auto-import

Update Swift.gitignore

Update Objective-C.gitignore

Adding a comment in case one wants to ignore .xcworkspace

Adding a comment in case one wants to ignore .xcworkspace

Add extra commented section to use when using Gradle or Maven auto-import.
These are mentioned in the original reference for optional excludes (https://intellij-support.jetbrains.com/hc/en-us/articles/206544839).
If this would be better as a separate, non-commented ignore file, let me know and I will resubmit.

update Craft CMS gitignore to follow Craft team's recommendations

A new template for Perl 6

maven-wrapper.jar can be removed from the source

Updated for Codekit 3

Remove exact duplicates in the same file

Autotools: De-duplicate autom4te entry

Duplicate added amongst additions in e2caec17

Duplicate added amongst additions in de2539a7

This reverts commit 548fb984.

This reverts commit d878f045.