ref #27
* add autotimer
* add example timer for painter initialization
* use more const begins/ends for iterators
ref #27
* fix autotimer output
ref #27
* reenable whole program optimization for win
ref #27
* add GL compile flag for Whole Program Optimization
ref #27
remove include
ref #27
* add explicit ctor
ref #27
* replace micro sign with u to avoid encoding issues
* fix gcc warning concerning long double and %f
Merge pull request #28 from cgcostume/autotimer_27

Autotimer 27