Efforts in improving Box2D library

• x Create b2 or b2dpp namespace
• x clang-format
• x clang-modernize
  • ranged for loops
  • nullptr
  • etc
• Better object create (utilizing move semantics?)
• Better scope
  • only private data members
  • get/set methods
• Examine allocators
• Switch to vectors where applicable
• Initializer lists for major objects
• enum naming
• gtest
• Profiling

ofxBox2DBasic using box2d11 Use cmake for openFrameworks

regex replacements 1. \bb2Vec2(\W*([0-9.f-]+\W*,\W*[0-9.f-]+)) {{\1}} 2. \b.Set(\W*([0-9.f-]+\W*,\W*[0-9.f-]+)) = {{\1}}