remove spring because it frequently conflicts with foreman

Gemfile

@@ -112,8 +112,6 @@ group :development do
     gem 'rspec-rails', '~> 3.1'
     gem 'rspec-html-matchers', '~> 0.7'
     gem 'shoulda-matchers'
-    gem 'spring', '~> 1.3.0'
-    gem 'spring-commands-rspec'
     gem 'vcr'
     gem 'webmock', '~> 1.17.4', require: false
   end

Gemfile.lock

@@ -413,9 +413,6 @@ GEM
     slop (3.6.0)
     spectrum-rails (1.3.4)
       railties (>= 3.1)
-    spring (1.3.6)
-    spring-commands-rspec (1.0.4)
-      spring (>= 0.9.1)
     sprockets (3.2.0)
       rack (~> 1.0)
     sprockets-rails (2.3.1)
@@ -562,8 +559,6 @@ DEPENDENCIES
   shoulda-matchers
   slack-notifier (~> 1.0.0)
   spectrum-rails
-  spring (~> 1.3.0)
-  spring-commands-rspec
   string-scrub
   therubyracer (~> 0.12.2)
   tumblr_client
@@ -582,4 +577,4 @@ DEPENDENCIES
   xmpp4r (~> 0.5.6)
 
 BUNDLED WITH
-   1.10.5
+   1.10.6

Guardfile

@@ -8,7 +8,7 @@ guard 'livereload' do
   watch(%r{(app|vendor)(/assets/\w+/(.+\.(css|js|html|png|jpg))).*}) { |m| "/assets/#{m[3]}" }
 end
 
-guard :rspec, cmd: 'bundle exec spring rspec' do
+guard :rspec, cmd: 'bundle exec rspec' do
   watch(%r{^spec/.+_spec\.rb$})
   watch(%r{^lib/(.+)\.rb$})     { |m| "spec/lib/#{m[1]}_spec.rb" }
   watch('spec/spec_helper.rb')  { "spec" }