Build Update

Added a new linkage option in order to make #PRAGMA working
Factoring global variables
Several optimisations
Adding maths functions

- Fast square root
- Absolute value
Build update
Build update
Testing another solution for Hough
Adding testing function for Hough in .H
Roberts implementation correction
Change OPTIMISE flag
Change test cases
Build update
Removing failure Hough function
Change variables to new Hough parameters
Main update
Build update
Adding fixed point computation
Miscellanous corrections
Binarisation conditionnal branch removed
Build update