Add pessimistic constraints to gem versions (#2980)

Gemfile.lock

@@ -466,85 +466,85 @@ PLATFORMS
   ruby
 
 DEPENDENCIES
-  active_record_query_trace
-  addressable
-  annotate
-  aws-sdk (>= 2.0)
-  better_errors
-  binding_of_caller
-  brakeman (~> 3.6.0)
-  bullet
-  bundler-audit
-  capistrano (= 3.8.0)
-  capistrano-rails
-  capistrano-rbenv
-  capistrano-yarn
-  capybara
-  cld3 (~> 3.1.0)
-  devise
-  devise-two-factor
-  doorkeeper
-  dotenv-rails
-  fabrication
-  faker
-  fast_blank
-  fuubar
-  goldfinger
-  hamlit-rails
-  hiredis
-  htmlentities
-  http
-  http_accept_language
-  httplog
-  i18n-tasks
-  kaminari
-  letter_opener
-  letter_opener_web
-  link_header
-  lograge
-  microformats2
-  nokogiri
-  oj
+  active_record_query_trace (~> 1.5)
+  addressable (~> 2.5)
+  annotate (~> 2.7)
+  aws-sdk (~> 2.9)
+  better_errors (~> 2.1)
+  binding_of_caller (~> 0.7)
+  brakeman (~> 3.6)
+  bullet (~> 5.5)
+  bundler-audit (~> 0.5)
+  capistrano (~> 3.8)
+  capistrano-rails (~> 1.2)
+  capistrano-rbenv (~> 2.1)
+  capistrano-yarn (~> 2.0)
+  capybara (~> 2.14)
+  cld3 (~> 3.1)
+  devise (~> 4.2)
+  devise-two-factor (~> 3.0)
+  doorkeeper (~> 4.2)
+  dotenv-rails (~> 2.2)
+  fabrication (~> 2.16)
+  faker (~> 1.7)
+  fast_blank (~> 1.0)
+  fuubar (~> 2.2)
+  goldfinger (~> 1.2)
+  hamlit-rails (~> 0.2)
+  hiredis (~> 0.6)
+  htmlentities (~> 4.3)
+  http (~> 2.2)
+  http_accept_language (~> 2.1)
+  httplog (~> 0.99)
+  i18n-tasks (~> 0.9)
+  kaminari (~> 1.0)
+  letter_opener (~> 1.4)
+  letter_opener_web (~> 1.3)
+  link_header (~> 0.0)
+  lograge (~> 0.5)
+  microformats2 (~> 2.1)
+  nokogiri (~> 1.7)
+  oj (~> 3.0)
   ostatus2 (~> 2.0)
-  ox
+  ox (~> 2.5)
   paperclip (~> 5.1)
-  paperclip-av-transcoder
-  parallel_tests
-  pg
-  pghero
-  pkg-config
-  pry-rails
-  puma
-  rabl
-  rack-attack
-  rack-cors
-  rack-timeout
-  rails (~> 5.0.2)
-  rails-controller-testing
-  rails-i18n
-  rails-settings-cached
-  redis (~> 3.2)
-  redis-namespace
-  redis-rails
-  rqrcode
-  rspec-rails
-  rspec-sidekiq
-  rubocop
-  ruby-oembed
-  sanitize
-  scss_lint
-  sidekiq
-  sidekiq-scheduler
-  sidekiq-unique-jobs
-  simple-navigation
-  simple_form
-  simplecov
-  sprockets-rails
-  statsd-instrument
-  twitter-text
-  tzinfo-data
-  uglifier (>= 1.3.0)
-  webmock
+  paperclip-av-transcoder (~> 0.6)
+  parallel_tests (~> 2.14)
+  pg (~> 0.20)
+  pghero (~> 1.7)
+  pkg-config (~> 1.2)
+  pry-rails (~> 0.3)
+  puma (~> 3.8)
+  rabl (~> 0.13)
+  rack-attack (~> 5.0)
+  rack-cors (~> 0.4)
+  rack-timeout (~> 0.4)
+  rails (~> 5.0)
+  rails-controller-testing (~> 1.0)
+  rails-i18n (~> 5.0)
+  rails-settings-cached (~> 0.6)
+  redis (~> 3.3)
+  redis-namespace (~> 1.5)
+  redis-rails (~> 5.0)
+  rqrcode (~> 0.10)
+  rspec-rails (~> 3.6)
+  rspec-sidekiq (~> 3.0)
+  rubocop (~> 0.48)
+  ruby-oembed (~> 0.12)
+  sanitize (~> 4.4)
+  scss_lint (~> 0.53)
+  sidekiq (~> 5.0)
+  sidekiq-scheduler (~> 2.1)
+  sidekiq-unique-jobs (~> 5.0)
+  simple-navigation (~> 4.0)
+  simple_form (~> 3.4)
+  simplecov (~> 0.14)
+  sprockets-rails (~> 3.2)
+  statsd-instrument (~> 2.1)
+  twitter-text (~> 1.14)
+  tzinfo-data (~> 1.2017)
+  uglifier (~> 3.2)
+  webmock (~> 3.0)
   webpacker (~> 1.2)
 
 RUBY VERSION