This allows us (and others) to test drive Puma without it affecting all
users. Puma can be enabled by setting the environment variable
"EXPERIMENTAL_PUMA" to a non empty value.

For Geo, a file is created for configuration of the database. This file
shouldn't appear in CE, but if you've setup your GDK with a remote
pointing to CE and one to EE, this file might be around when switching
branches.

This will mark the workspace dirty, which annoys me more than it should.

[ci skip]

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

[ci skip]

[ci skip]

The restore process copies the old builds/ dir into builds.<epoch>/
which results in Git complaining about untracked files

ESLint config: https://github.com/airbnb/javascript

This reverts commit 3e991230.

# Conflicts:
#	app/models/project.rb

It's working fine now but by making it more explicit we can make tools
like 'The Silver Searcher' to parse properly the .gitignore file

in order to have it the same way like in omnibus