updated to Version 0.0.5
 - added method canvas
 - added method unsharpMask

Signed-off-by: horst-n <info@nogajski.de>
- changed default-param bgcolor from canvas in Version 0.0.5

Signed-off-by: horst-n <info@nogajski.de>
Merge branch 'master' of https://github.com/horst-n/PageImageManipulator

Conflicts:
	ImageManipulator.class.php
changed default value for canvas $bgcolor

Signed-off-by: horst-n <info@nogajski.de>