removed unused imports in common
removed unused warning in core
removed unused imports in core specs
remove unused imports in tests
removed more unused import warnings
added disjunction matchers

Conflicts:
	guide/src/test/scala/org/specs2/guide/MatcherCards.scala
removed an unused specification
removed a position warning
more robust termination condition for eventually matchers
fixed an evaluation case with `match result and matcher`
added a note to the traversable matchers guide on annotating the haveSize matcher. fixes #289

Conflicts:
	guide/src/test/scala/org/specs2/guide/MatcherCards.scala
find the specifications when srcTestDir is specified on a Windows drive. fixes #290

Conflicts:
	common/src/main/scala/org/specs2/io/FileSystem.scala
updated the dependencies
temporary commit
used the DirectoryPath for the dependency matchers
interim save
using directory paths for the specification finder
using directory paths for content matchers and the html printer
removed unsafe argument methods
added some comments on the collection and control packages