DRLParser script is packaged with executable permissions

siplasplas 0.0.2

 - Minor doc fixes
 - siplasplas-constexpr: constexpr algorithms and strings
 - [ctti](https://github.com/Manu343726/ctti) dependency updated
 - Typelist sorting
 - Protobuf static-reflection example
 - libclang setup fixes
 - cpp::TypeInfo traits set fixes
 - And more... (Look at the log, as I've done to write this changelog :P)

Meeting C++ 2016 feature complete

 - Full static reflection docs
 - Full dynamic reflection docs
 - Dnamic reflection module ported to siplapslas-typeerasure.
   cpp::dynamic_reflection::Object & co deprecated.
 - Export API working (See plugin example)
 - Simple configuration using FindSiplasplas.cmake module

Package-friendly configuration. Bootstrap script