Add /cover to Elixir.gitignore

Added fastlane to iOS projects

Ignore temp Hypothesis test things

added .env.example for projects generated with laravel new command

Ignoring build folder inside app module in Android projects

The `*/build` folder should be ignored because the android structure generate files and outputs inside this folder.

Add rule for MS PowerPoint temporary files

Windows Azure Emulator

Create Elm.gitignore

Fix path to ignore only root log, img and cache folder

Dartdoc output directory, pubspec.lock comment disambiguation

Line 1 somehow different from upstream

Update Dart.gitignore

Added directory for dartdoc tool. Disambiguated comment for pubspec.lock
pattern.

Update Tags.gitignore

JetBrains IDEs: add shelf (VCS -> Shelve changes... menu)

Add VisualStudio GhostDoc plugin setting file

Add Otto

Remove entries for Intellij IDEA

gitignore file for D

add fabric.properties to JetBrains

Update waf for python3 builds

Ignore FAKE - F# Make cache folder

Recent versions of FAKE uses a cache folder containing a compiled version of all scripts named .fake that should never be commited to git.

VisualStudio Template - Added ignore for Paket dependency manager

Ignore `.RData` files

N.B. this ignores only the exact file `.RData` generated by default from `save.image()` and `quit()`.  It is _not_ what is referred to in https://github.com/github/gitignore/commit/1f8466164330277fc8c9126ded3cc207ff3baf91 and http://cran.r-project.org/doc/manuals/r-release/R-exts.html#Data-in-packages, which refers only to files with an `*.RData` _extension_.

Waf uses .waf3-* if the interpreter is python3.

Since that is what it should be called now a days according to https://dev.twitter.com/fabric/android/integrating

https://ottoproject.io

Ignore the usual obj/library/executable files.
See https://github.com/D-Programming-Language/dub/blob/89c8dea75ae9cfde1ae6cfb7d9fe03dbccdbbdf8/source/dub/init.d#L168 for dub's default .gitignore.

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