Fix TrailingSemicolon linter with interpolation in selector

Work around a weird bug in the Sass parser where the source range is
incorrectly reported, including a few characters past the semicolon.

Change-Id: If8fb89409319a18a6966dbfdd4858442be4fce2c
Reviewed-on: http://gerrit.causes.com/43583
Tested-by: jenkins <jenkins@causes.com>
Reviewed-by: Shane da Silva <shane.dasilva@brigade.com>
Fix SpaceAfterPropertyColon linter with interpolation

Work around a strange bug in the Sass parser where a property following
a selector with interpolation in single quotes would have an incorrect
source range reported.

Change-Id: I5716101bfa409170c9b299bfa8a7a710d1fc08d7
Reviewed-on: http://gerrit.causes.com/43584
Tested-by: jenkins <jenkins@causes.com>
Reviewed-by: Shane da Silva <shane.dasilva@brigade.com>