Adds a wizard to create new Style in a Layer using the available
legends. In order to do that, I've added a new method in UIFactory that
displays an already built SIFWizard. Thanks to that, I can customize the
behaviour associated to the wizard buttons.
Adds a field for the name of the new element and input validation
Adds another wizard that pushes a new Legend in a Style.
adds missing headers
Merge remote-tracking branch 'upstream/master' into legend-wizard
Merge remote-tracking branch 'upstream/master' into legend-wizard
Improves labels and titles
Fix several bugs on the legend wizard
Rename it to thematic map wizard
Add new icons to a better understanding
Add the good legend names
Disable the finish button when the ui is created.
Merge pull request #555 from ebocher/feature/thematicWizard

Feature/thematic wizard