kernel: Fix MappedCollection >>#select: and >>#reject:

The methods were broken and used newMap instead of map.

2013-12-11  Lee Duhem  <lee.duhem@gmail.com>

	* kernel/MappedColl.st:  Fix variable name typos in reject: and
	select:.
kernel: Test MappedCollection >>#select: and >>#reject:

2013-12-13  Holger Hans Peter Freyther  <holger@freyther.de>

	* kernel/MappedCollectionTests.st: Add tests for MappedCollection.
sandstone: Move the class variable to the right place

This is fixing a STInST parsing bug. The C-parser should be made
more strict.
cairo: Make the code parsable with the STInST parser