Add support for automatic discovery of languages in a given directory
Throw away deprecated tests
Replace message regions by a single implementation CodeRegion
Present messages javac style.
Oops. add missing file
Add dedicated class for emitting messages and summaries thereof.
Merge branch 'feature/auto-lang'

* feature/auto-lang:
  Add support for automatic discovery of languages in a given directory

Conflicts:
	org.spoofax.sunshine/.classpath
	org.spoofax.sunshine/src/org/spoofax/sunshine/drivers/SunshineMainDriver.java
Merge branch 'feature/improv-msgs'

* feature/improv-msgs:
  Add dedicated class for emitting messages and summaries thereof.
  Oops. add missing file
  Present messages javac style.
  Replace message regions by a single implementation CodeRegion
  Throw away deprecated tests

Conflicts:
	org.spoofax.sunshine/test/org/spoofax/sunshine/framework/language/ALanguageTest.java
	org.spoofax.sunshine/test/org/spoofax/sunshine/framework/language/AdHocJarBasedLanguageTest.java