Added repeating to sf::RenderTexture

Added the missing setRepeated() and isRepeated() methods to sf::RenderTexture.
Merge pull request #363 from Foaly/repeatedRenderTexture

Added repeating to sf::RenderTexture
Fixed sf::Event::MouseEntered and sf::Event::MouseLeft on Linux
Fixed sf::Text constructor declaration (no longer explicit) and the API documentation
Updated the year in the copyright notice
Updated the website links in readme.txt
Changed the install rules so that examples' source code is included in the final distribution
Merge branch 'master' of https://github.com/LaurentGomila/SFML into LaurentGomila-master

Conflicts:
	include/SFML/Graphics/RenderTarget.hpp
	include/SFML/Network/Packet.hpp
	include/SFML/System/Vector2.hpp
	include/SFML/System/Vector3.hpp