Improve the EmptyLiteral messages
[Fix #1401] Enable including hidden directories in config

Hidden directories are now searched but files in them are
not included by default. It is possible to include them
through Include parameters in configuration files.
Merge pull request #1414 from jonas054/1401_dot_dirs

[Fix #1401] Enable including hidden directories in config
Deprecate --format disabled and add cop DisableCopComment

There are a number of problems with implementing the search
for inline disable comments through a formatter. A cop solves
the same thing nicely. This deprecates the --format disabled
option.

The cop is disabled by default.
Include ranges in output
Output line numbers instead of Infinity