Begining of scheduler debug.
WARNING : Scheduler is broken.
SASIAE compiles but don't work.
AVR don't compile.
Moved scheduler algo in the common branch.
New version of scheduler available on avr.
Debug of timer 0 prescaler configuration.
Debug compilation script
Deleted sources files (not used anymore)
Added Schduler lock and unlock functions.
Added mask config to every timer prescaler.
Modified scheduler test for avr
Management of the scheduler counter overflow.
Has been tested, but need more tests.
Scheduler test with MAX_TASKS.
Scheduler now take in account task's priority.
Changed Timer Prescaler 0 to 1.
Updated (AVR's) Scheduler test.
Updated SASIAE's Scheduler test to check MAX_TASKS.
Fixing a Doxygen warning.
Modification to fit coding conventions.
Made the Scheduler test fit coding conventions.
Scheduler::unique -> Scheduler::isUnique
Minor changes to match coding conventions.
Merge pull request #44 from astralien3000/scheduler

Scheduler and AVR timer update.
Fix the issue #15, #30, #39 and #40.