* Created AsyncTaskService to build async UI operations which always log
uncaught exceptions
* Changed all executor service invocations in the UI to invocations of
AsyncTaskService
* Improved error handling in some other places, especially
try-with-resources
* Unlocking read/write locks in NioFile when opening of a channel fails
* Tests for CopyTo Operation
* Changes to Matchers and Test-Utilities
* Changes to make things work
* TODO: One test still not working due to access to channel by multiple
threads
* Streams returned from NioFolder#children, files and folders are now
closed automatically after a terminal operation
* Not closing them lead to a bug on windows causing directories to be
not deleted after a successful Files.delete invocation
* Getter and setter for files and folders
* A way to determine if a file system supports creation dates
* WebDav compliant implementation in jackrabbit-adapter
* Tests
* Split tests into integration and unit tests
* Rewritten and completed unit tests
** By introducing a layer around Files.* to allow mocking of
NIO-Operations
** And introducing a factory to allow mocking of constructors
* Integration tests ignored temporarily
** TODO reduce amount of testcases and enable
