Adding 'geoptlab' root directory
Added README file
Added:
 TMirror: Mirror Class for reflection phenomena
 TOptDev: Bank of commons method to TMirror and TLens classes
 TLens: Lens Class for refraction phenomena
 TRay: Ray Class for computational representation of the light's rays
 WCRay: GUI for configuration of TRay objects
 WAbout: GUI for about of... information
 WCMirror: GUI for configuration of Mirror objects
 WCLens: GUI for Configuration of Lens objects
 WMainApp: GUI for main application
Added examples subdir:
  BM.Reflect.C = Examples of reflection phenomena 
  BM.Refract.C = Examples of refraction phenomena
Added image subdir:
 This directory contains all icon related with geoptlab
Added:
 AppExample.C = ROOT's script for run GeOptLab 
 geoptlab.bat = MSWindows scripts for run GeOptLab
 geoptlab.sh = Linux scipts for run GeOptLab

Scripts need a previous installation of ROOT system.
Edges fixed
Merge branch 'master' of https://github.com/amvargash/geoptlab