compact mode for report

[alainravet]

$ ruby  -Ilib -rubygems -e "require 'private_please' ; load 'doc/fixtures/complex.rb'"

If only the good candidates are displayed, remove the per-class headers, and only show the candidates.

pp_ruby doc/fixtures/complex.rb
Executing: ruby  -rubygems -e "require 'private_please' ; load 'doc/fixtures/complex.rb'"
====================================================================================
=                               PrivatePlease report :                             =
====================================================================================

ComplexReport::AnotherClass

    * Good candidates : can be made private :
    ------------------------------------------
      #make_external_calls                     .c_make_external_calls

ComplexReport::Class1

    * Good candidates : can be made private :
    ------------------------------------------
      #instance_m_1                            .class_m_1
      #instance_m_2                            .c_make_internal_method_calls
      #sole_entry_point                        .class_m_2

ComplexReport::Simple

    * Good candidates : can be made private :
    ------------------------------------------
      #instance_m_2                            .c_make_internal_method_calls
      .class_m_2

====================================================================================

    Report options :
        x * --show-never-called-candidates-section?
        x * --show-bad-candidates-section?
        x * --show-empty-classes?
    (PP_OPTIONS = )