* Added FileObject.copy().

* Renamed <v-copy> task attributes file -> srcfile, tofile -> destfile, todir -> destdir.

* Moved provider instantiation out of DefaultFileSystemManager, and into
  myrmidon-aware VfsManager.  Providers are instantiated using the TypeManager.
  The list of providers isn't configurable yet.

* Some support for %nn encoded URI (not quite complete).

* Zip file system now handles zip files from any file system, not just local
  files.  Still read-only at this stage.  Uses a truely dodgy and very temporary
  replication mechanism.

* Zip file system now handles relative paths in URI (e.g. zip:relpath.zip), that are
  resolved against the base dir.

* Fixed bug in resolving names against the root file of a file system.

* Changed behaviour of FileName.resolveName( ".." ) for the root file of
  a file system.

* Added more test cases.

* A bucketload of other minor changes.


git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@271803 13f79535-47bb-0310-9956-ffa450edef68

* Was not exiting with non-zero exit code when the build failed.
  * Fix the error reporting so that the entire exception chain is reported.
  * Only print out stack traces when in verbose or debug mode.
* Wrap all exceptions thrown during task initialisation and execution with
  a general 'task failed' exception.
* Another <property> testcase.


git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@271802 13f79535-47bb-0310-9956-ffa450edef68

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@271669 13f79535-47bb-0310-9956-ffa450edef68

* No longer implements Configurable, uses a set() method instead.

* The property value can be included as the text content of
  the <property> element.

* Added test-cases.

* Added some alternative executeTarget() methods to
  AbstractProjectTest, to expect a particular set of log messages,
  or a particular failure.


git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@271567 13f79535-47bb-0310-9956-ffa450edef68

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@271459 13f79535-47bb-0310-9956-ffa450edef68