Added kottiimage plugin, loaded on tinymce init, which allows reworking of initial image dialog. Also making changes to Kotti browser dialog.
Changed the scale input to a dynamic input. Added missed plugin file.
Restored ImageDialog reference.
Moved image scale selection to plugin dialog. Added url and label updating methods. Removed redundancy in button labels (now OK, was Insert Image). Added tooltips.
Added show preview checkbox. Renamed onSubmitForm() to setImage(), and wired this to the new checkbox.
Minimized js file.
Merge pull request #9 from geojeff/image_plugin_and_ui

Image plugin and ui