Adding workout description and more fake data
Extracting common variables and defines to a header file
Cleaning code and optimizing structs

* Cleaning main.c from commented code and reorganizing some stuff
* reorganizing structs, using uint16_t instead of simple ints
+ adding more fields to exercises
* workouts don't contain an array of exercises anymore
* improving new/get/set/fake methods, given the above changes
Adding debug for exercises screen
Including files needed to compile project inside netbeans
Splitting struct definitions and related methods into separate files, stupidly mimicking object-oriented approach