* Do not group search results by region
* Replace ULS trigger icon with monochromatic one
* Custom no-results message support
* Upgrade jquery in the example to 3.2.1
* Use .siblings to locate the suggestions, clear elements for efficiency
* Removing assigned ids to elements that are not guaranteed to be unique
* Use eslint and stylelint, fix all errors
Update the language icon in ext.uls.pt module with new monochromatic one
Also use custom style for monobook skin.
Bug: T182539
Bug: T175769
Change-Id: I7341064cd0de367d933048c4800f951568747d11
fd7b9ec652