Upgrade to decidim 0.15

.gitignore

@@ -1,2 +1,3 @@
 tmp/
 spec/decidim_dummy_app/
+.rspec-failures

.rubocop.yml

@@ -1270,7 +1270,7 @@ Metrics/BlockLength:
     - 'decidim-*/db/migrate/*.rb'
     - 'decidim-*/**/*/types/**/*'
     - 'decidim-*/lib/**/*/test/**/*'
-    - 'decidim-*/lib/**/*/feature.rb'
+    - 'decidim-*/lib/**/*/component.rb'
     - 'decidim-*/lib/**/*/participatory_space.rb'
     - '**/spec/**/*_spec.rb'
     - '**/spec/shared/**.rb'

Gemfile

@@ -2,7 +2,7 @@
 
 source "https://rubygems.org"
 
-# Declare your gem's dependencies in decidim-census.gemspec.
+# Declare your gem's dependencies in decidim-file_authorization_handler.gemspec.
 # Bundler will treat runtime dependencies like base dependencies, and
 # development dependencies will be added by default to the :development group.
 gemspec
@@ -14,3 +14,7 @@ gemspec
 
 # This is required to generate the testing dummy_app (see README)
 gem "decidim", require: true
+
+group :test do
+  gem "bootsnap", require: false
+end