Improvement of font functionality

[SNisin]

Additions

• Font:getWidth(text)
• Font:getHeight()
• Font:getWrap(text, width)
• Fonts are now loaded automatically (no need to load them in css)
• Added an example for font functionality

Changes

• love.graphics.printf() now wraps words
• Fixed love.graphics.print() printing too far up
• Loading ?/init.lua
• RandomGenerator.random([[min, ]max]) now returns integers when called with arguments

[TannerRogalsky]

This is fantastic. I'm doing a game jam this weekend so it may take until Monday for me to review this but I really appreciate the work you've done already!