Increased SFML's version number and updated the changelogs.

Incremented SFML version number and added changes to the changelog.

Fixed PrimitiveType documentation

Increased version to 2.3.2 and add changes to changelog.

Increased version to 2.3.1.

Increased version to 2.3, updated the changelog and license and added…

… Mario to the readme.txt.

Updated doc version and removed trailing spaces

Updated version number

Changed the install rules so that examples' source code is included i…

…n the final distribution

Improved Mac OS X implementation (Close SFML#195)