Set required ruby version to 2.2.2

Author: sleekybadger

.travis.yml

@@ -1,5 +1,5 @@
 sudo: false
 language: ruby
 rvm:
-  - 2.3.1
+  - 2.2.2
 before_install: gem install bundler -v 1.12.5

detectify.gemspec

@@ -4,19 +4,20 @@ $LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
 require 'detectify/version'
 
 Gem::Specification.new do |spec|
-  spec.name          = 'detectify'
-  spec.version       = Detectify::VERSION
-  spec.authors       = ['Lukyanov Fedor']
-  spec.email         = ['fedor@rubygarage.org']
+  spec.name    = 'detectify'
+  spec.version = Detectify::VERSION
+  spec.authors = ['Lukyanov Fedor']
+  spec.email   = ['fedor@rubygarage.org']
 
-  spec.summary       = 'Detect ActiveRecord entity via domain or subdomain'
-  spec.description   = 'Detectify provides a simple way to retrieve an ActiveRecord entity' \
-                       'based on the domain/subdomain request information.'
-  spec.homepage      = 'https://github.com/rubygarage/detectify'
-  spec.license       = 'MIT'
+  spec.license     = 'MIT'
+  spec.homepage    = 'https://github.com/rubygarage/detectify'
+  spec.summary     = 'Detect ActiveRecord entity via domain or subdomain'
+  spec.description = 'Detectify provides a simple way to retrieve an ActiveRecord entity' \
+                     'based on the domain/subdomain request information.'
 
-  spec.files         = `git ls-files -z`.split("\x0").reject { |f| f.match(%r{^(test|spec|features)/}) }
-  spec.require_paths = ['lib']
+  spec.files                 = `git ls-files -z`.split("\x0").reject { |f| f.match(%r{^(test|spec|features)/}) }
+  spec.require_paths         = ['lib']
+  spec.required_ruby_version = '>= 2.2.2'
 
   spec.add_dependency 'rack', '>= 1.6'
   spec.add_dependency 'activerecord', '>= 4.2'