Add length value to locations of offense in JSON formatter
Merge pull request #840 from yujinakayama/add-length-value-to-json-formatter

Add length value to locations of offense in JSON formatter
Fix `%r`-literal autocorrect
Merge pull request #841 from hannestyden/fix-regexp-literal-autocorrect

Fix `%r`-literal autocorrect
Update Rubinius travisci config

See
http://www.benjaminfleischer.com/2013/12/05/testing-rubinius-on-travis-ci/
for details.
Fix `%`-literals multiline autocorrect
Handle case statements with nothing after the case keyword
Rerun auto gen config to change offence to offense
Only remove space in AutocorrectAlignment#autocorrect

There was a bug that would remove other things than space if one of
the lines in a node with too much indentation was empty or very short.

Also, adding indentation would add trailing whitespace on emtpy lines.
Merge pull request #844 from agrimm/offense_offensive

Rerun auto gen config to change offence to offense
Only auto-correct the first expression of a group in IndentationWidth

It's the job of IndentationConsistency to make sure that all the
statements of a def, for example, are lined up.
Merge pull request #845 from jonas054/fix_autocorrect

Fix two bugs in autocorrect
Merge pull request #843 from agrimm/handle_case_statement

Handle case statements with nothing after the case keyword
Merge pull request #842 from hannestyden/fix-percent-literal-delimiter-multiline-autocorrect

Fix percent literal delimiter multiline autocorrect
Fix bug in RegexpLiteral concerning --auto-gen-config
Merge pull request #850 from jonas054/fix_auto_gen_config

Fix bug in RegexpLiteral concerning --auto-gen-config
[Fix #848] Make --show-cops print current configuration

A bug made it show the configuration for the parent directory of the
current directory (usually that would be the default configuration).
Merge pull request #851 from jonas054/fix_show_cops

[Fix #848] Make --show-cops print current configuration
Display the backtrace from unexpected exceptions
Add docs badge to README