refactored NumberWithLabelElement to a single constructor with java.lang.Number as argument
refactoring of package names for consistency
Do read width and height form image only when it is created.
Fixes #2525
Fixing problems with image handling.
Improved image handling (fixes #2351); Passwords can now be changed by "admin" user (CAUTION: this is done by checking if the currently logged in user is the user named "admin", this has to change once rights are implemented correctly)
Removed call to obsolete service method
Renaming MediaMetaData to MediaInfo
image mime types are now set automatically. Although this is a bit of a hack.