Merge pull request #8 from slarosa/master

italian translation update
Interface design - add scroll areas

A QScrollArea has been added when needed. It allows the dialog to be displayed on small screens with automatic scroll bars.
Update italian translation
Edition - new feature

* remove old annotation tool
* add the new edition tool : the user can add up to 5 edition layer
* for each layer, choose among edition capabilities : create, modify attributes, modify geometry, delete
Prepare release for 1.9.0
Update the README
Italian translation update
Debug inactive dialog tab when no FTP sync possibility

* inactivate FTP tab instead of Tools tab
Force toggle between "Single Tile" and "Server cache"

If singleTile is checked, uncheck Server cache to avoid storing big useless images in the server
Save the FTP remote dir per each QGIS project, not globally

It allows to use different remote dirs for each QGIS project, and help the user not to forget to change the remote dir when opening another project
Prepare release for 1.9.1
Full migration to QGIS 2.0 (SIP api)
small update to new SIP API:
- translation update