Update gem description

SCSS lint is now configurable, so use that as an adjective instead of
"opinionated".

Change-Id: I82b4004b7d1c84bedaf08220af31158b4cb7b397
Reviewed-on: http://gerrit.causes.com/36034
Tested-by: jenkins <[email protected]>
Reviewed-by: Shane da Silva <[email protected]>

Author: Shane da Silva

scss-lint.gemspec

@@ -12,7 +12,7 @@ Gem::Specification.new do |s|
   s.email       = ['[email protected]', '[email protected]']
   s.homepage    = SCSSLint::REPO_URL
   s.summary     = 'SCSS lint tool'
-  s.description = 'Opinionated tool to help write clean and consistent SCSS'
+  s.description = 'Configurable tool to help write clean and consistent SCSS'
 
   s.files         = Dir['config/**/*.yml'] + Dir['data/**'] + Dir['lib/**/*.rb']
   s.executables   = ['scss-lint']