Simplify Cop::Util#source_range interface
Add AllowURI option to LineLength cop

Related to #977.
[Fix #1165] Support rescue/else/ensure bodies in IndentationWidth
Fix false positive for aligned values after when in IndentationWidth

When unpacking a when node, there can be a number of values to
unpack and then the body will be the last.
Merge pull request #1171 from yujinakayama/allow-uri-in-line-length

Add AllowURI option to LineLength cop
Merge pull request #1172 from jonas054/1165_rescue_indentation

Add support for checking rescue indentation
Cut 0.24.0