Advanced MFC-projects support

[Victor-Y-Fadeev]

• Add default TARGET for add_custom_command_if()
• Support <UseOfMfc> tag by adding Build Settings for an MFC DLL
• Parse <EntryPointSymbol> tag producing /ENTRY flag, also set default values for Application configuration type
• Add <ResourceCompile> content to sources list
• Fix variable processing into set_additional_include_directories() & normalize_path() functions
• Fix target name and output path joining
• Fix quotered paths normalization and prevent absolute path conversion outside the solution
• Support MIDL-compiler stage:
  • Parse <Midl>, <TypeLibraryName>, <HeaderFileName>, <InterfaceIdentifierFileName> and etc. (List of all MIDL tags)
  • Can produce/mktyplib203, /robust, /env, /Oicf, /tlb, /h, /iid flags (List of all MIDL flags)
  • Generate MIDL stage block based on Invoke MIDL compiler from CMAKE
  • Simplify source paths for more readable output
• Reduce generation duplicates (about 35% less):
  • Remove define duplicates
  • Prevent equal architectures generation
  • Remove the same FILE_CL_OPTIONS string redefinition