verbose README
adding the 'jsx' library + new Geometric classes
new arithemtic helper
adding the 'mathematics' keyword
new arithemtics helper
adding a console demonstration for facility
new euclide's stuff
new piwi github username

Conflicts:
	demo/index.php
	src/Maths/Geometry/AbstractGeometricObject.php
	src/Maths/Geometry/Circle.php
	src/Maths/Geometry/Disc.php
	src/Maths/Geometry/Line.php
	src/Maths/Geometry/Quadrilateral.php
	src/Maths/Geometry/Segment.php
	src/Maths/Geometry/Triangle.php
Merge branch 'master' into dev
updating documenation via Sami