Clean transform tag method.
Fix refresh issue of tagged loaded datasets.
Unwrap namespace to prevent AttributeError
Fix whitespace
Fix header and copyright year
Fix other PyFlake errors
Merge pull request #1502 from joshmoore/rebased/dev_4_4/10560-blitz-itest

Initial clean up of blitz integration tests (Fix #10560) (rebased onto dev_4_4)
removing WebAdminUrlTest, they should be replaced by RobotFramewok
Re-use COLOURS in script_utils.py
Fix blitz integration test execution

Do to changes in the spring configuration files,
tests were aborting prematurely. With these
small changes, the target should run to completion
even if not all tests pass.
Merge pull request #3 from aleksandra-tarkowska/dev/web_pytest_4_4

removing WebAdminUrlTest, they should be replaced by RobotFramewok
Fix drawLineOverlay compile error

A cut-n-paste error from drawTextOverlay left drawLineOverlay.
This hasn't been tested since it wasn't possible that anyone
was successfully using this method. Corrected based on the docs:

```
In [10]: help(ImageDraw2.Draw.line)
Help on method line in module ImageDraw2:

line(self, xy, *options) unbound ImageDraw2.Draw method
```
Merge pull request #1461 from will-moore/createImage_from_old_11426

Create image from old 11426
Merge pull request #1521 from aleksandra-tarkowska/jnlp_10598

Jnlp 10598
Allow to reset datasets.
Remove System.err.println
Fix refresh of tagged objects.
Use `Exception(String)` ctor for NoThumbnail
Fix whitespace in ome/services/Thumbnail*
Fix copyright in ThumbnailCtx