added the Filterable interface on the JUnitRunner
added a `org.specs2.matcher.NoConcurrentExecutionContext` trait
to remove the implicit execution context for FutureMatchers
added back the specs2.files to its proper place. fixes #258
fixed an unsafe type conversion with mockito. fixes #260
remove scalacheck dependency from matcherExtra module
Merge pull request #261 from xuwei-k/remove-scalacheck-dependency-from-matcherExtra

remove scalacheck dependency from matcherExtra module
mockito - don't match maps and functions as equal
Merge pull request #262 from fwbrasil/function-argument

mockito - don't match maps and functions as equal
simplified the module names. fixes #244
added a build info object to each module. fixes #245
Setting version to 2.3.12
updated the UserGuide
added notes for 2.3.12
Setting version to 2.4-SNAPSHOT
avoid exceptions when using klass.getSimpleName
defaulting to the full class name if the simple class name doesn't work
copy system properties in an immutable map to avoid CMEs. fixes #264
deactivated a test