[Sluggable] add test to prove issue with slug ending with 0XYZ
{Sluggable] fix issue with slug ending with 0XYZ
Merge pull request #632 from jaugustin/fix-sluggable-exception

Sluggable fix an exception with slug endding with 0XXX
Bugfix for join equality when default join type is used

$j1 = new Join('foo', 'bar');
$j2 = new Join('foo', 'bar', 'INNER JOIN');
$this->assertTrue($j1->equals($j2));
Merge pull request #638 from arvenil/fix-join-equality

Bugfix for join equality when default join type is used
Fixes JOIN duplication issue when default join type equals given join type (issue #373)
Merge pull request #641 from arvenil/fix-issue-373-join-duplication

Fixes JOIN duplication issue when default join type equals given one (issue #373)
Fix CS
Prepare 1.6.9 release
Merge branch '1.6'

Conflicts:
	CHANGELOG
	generator/default.properties
	runtime/lib/Propel.php
Revert bad CS fix (alternative CS behavior)
Merge remote branch 'upstream/master'