Removed old sbt stuff.
Updated SBT version.
Updated to Scala 2.10.2. Fixed a few warnings from the compiler.
IntelliJ doesn't need this anymore.
Updated to latest JUnit version.
Updated to latest scala maven plugin. Also some pom maintenance.
Some new file to ignore, from Eclipse (I think).
Updated readme, encouraged pull requests.
Merge branch 'solutions'

Conflicts:
	README.textile
	first-class-functions/src/test/scala/scalaexamples/firstclassfunctions/PersonTest.scala
	quiz/src/main/scala/scalaexamples/quiz/console/ConsoleGame.scala
	quiz/src/main/scala/scalaexamples/quiz/swing/SwingGame.scala