Removed config mixin from some classes.

lib/cocoapods/executable.rb

@@ -84,7 +84,6 @@ module Pod
     # the UI indentation lever.
     #
     class Indenter < ::Array
-      include Config::Mixin
 
       # @return [Fixnum] The indentation level of the UI.
       #

lib/cocoapods/generator/documentation.rb

@@ -5,7 +5,6 @@ module Pod
   module Generator
 
     class Documentation
-      include Config::Mixin
       extend Executable
 
       executable :appledoc
@@ -86,6 +85,12 @@ module Pod
       #       projects.
       #
       def generate(install = false)
+        if `which appledoc`.strip.empty?
+          UI.warn "[!] Skipping documentation generation because appledoc can't be found.",
+            actions = [], verbose_only = true
+          return
+        end
+
         options = appledoc_options
         options += ['--output', @target_path.to_s]
         options += install ? ['--create-docset'] : ['--no-create-docset']
@@ -97,11 +102,9 @@ module Pod
         end
 
         if $?.exitstatus != 0
-          puts "[!] Appledoc encountered an error (exitstatus: #{$?.exitstatus}), an update might be available to solve the issue." unless config.silent?
+          UI.warn "[!] Appledoc encountered an error (exitstatus: #{$?.exitstatus}), an update might be available to solve the issue."
         end
 
-      rescue Informative
-        puts "[!] Skipping documentation generation because appledoc can't be found." if config.verbose?
       end
     end
   end

lib/cocoapods/installer/analyzer.rb

@@ -189,7 +189,7 @@ module Pod
         libraries = []
         podfile.target_definitions.values.each do |target_definition|
           lib                           = Library.new(target_definition)
-          lib.support_files_root        = config.sandbox.library_support_files_dir(lib.name)
+          lib.support_files_root        = sandbox.library_support_files_dir(lib.name)
 
           if config.integrate_targets?
             lib.user_project_path         = compute_user_project_path(target_definition)

lib/cocoapods/resolver.rb

@@ -16,8 +16,6 @@ module Pod
   #
   class Resolver
 
-    include Config::Mixin
-
     # @return [Sandbox] the Sandbox used by the resolver to find external
     #         dependencies.
     #
@@ -76,7 +74,7 @@ module Pod
     #         definition.
     #
     def resolve
-      @cached_sources  = Source::Aggregate.new(config.repos_dir)
+      @cached_sources  = SourcesManager.aggregate
       @cached_sets     = {}
       @cached_specs    = {}
       @specs_by_target = {}

lib/cocoapods/user_interface.rb

@@ -120,7 +120,8 @@ module Pod
       #
       # return [void]
       #
-      def warn(message, actions = [])
+      def warn(message, actions = [], verbose_only = false)
+        return if config.silent? && verbose_only
         STDERR.puts("\n[!] #{message}".yellow)
         actions.each do |action|
           indented = wrap_string(action, "    - ")