Fix #18 add gemspec to rubocop lint checks
Fix rubocop StringLiterals offenses
Fix rubocop SpecialGlobalVars offense
Fix rubocop LineLength offenses
Fix rubocop RegexpLiteral offenses
Replace specific gemspec filename with regexp
Fix rubocop LineLength offenses
Adjust encoding comment
Update CHANGELOG style
Merge pull request #19 from jhx/issue_18_add_gemspec_to_rubocop

Issue 18 add gemspec to rubocop