Maintenance version

Fixes

• defaulting to displaying the full class name of a class if the simple class name doesn't work (in the console sometimes)
• copy system properties in an immutable map to avoid CMEs #264
• avoid NPE when an exception with no message is caught on class instantiation #265
• fixed the .await method for future matchers and failed futures #269
• output the full class name of a class in the junitxml path #273
• fixed the inOrder matcher for the allOf container matcher
• deal with duplicated lines in haveSameLinesAs #276
• added back a missing conversion method for AsResult instances This allows to write List(1 must_== 1, 1 must_== 1)

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