Import panel:

- added pskl.controller.settings.ImportController (empty atm)
- moved SettingsController under settings namespace
- move settings templates in a dedicated folder
- created import icon (svg is in the resources folder)
- added import button in right-layer
import template basic version
Import from file
Merge branch 'master' into import-picture-panel
intermediary
import panel : before removal of import from URL option
Import panel
Synchronize resize fields, resize image when importing
Added preview picture. Added a flow : start with only file input enabled
import-picture-panel : IE10 CSS fix for input text with text-align:right
import-picture-panel : IE10 CSS fix for input text with text-align:right
Merge branch 'master' into import-picture-panel
Merge pull request #140 from juliandescottes/import-picture-panel

Import picture panel