add tests for image handling and handle resolveuid images better
switch to ModifyPortalContent as main permission
some fixed for 4.1 compatability
Merge branch 'master' into betterimagehandling
fix bad exception catch
better logging of exceptions
improve handling of scales and fix tests for plone 4.0
fix resolveuid in 4.0
fix plone 4.3 resolveuid direct link
change resolveuid transform to only apply to text field to get around unicode issue
clean up imports
Update CHANGES.txt
Merge pull request #43 from collective/betterimagehandling

add tests for image handling and handle resolveuid images better