Release Name: 1.2

Notes:



Changes:
* December 21th, 2012: Fourth public release 1.2.0.
  * #satisfy will not pass arguments anymore to the block, use lexical scope.
  * Fixed Context#change?.
  * Add support for finding specs named like spec/**/*_spec.rb.
  * Contexts nest properly.
  * Timer in TestUnitOutput.
  * Nested output for SpecDoxOutput.
  * Small cleanups and more tests.