adding tileviewer images

adding tileviewer images
Adding JS & assets required for tilepic

Adding JS & assets required for tilepic viewer
Updating readme : no php proxy will be required

Updating readme : no php proxy will be required for tilepic viewer
Updating translation
Tilepic viewer
CSS for tilepic.php
Tilepic viewer
Setting tilepic vars for view
i18n
Adding some CSS for tilepic iframe
Simplification
Calling tilepicviewer iframe through jquery
Correcting path
i18n
Changing button name
Bumping version number
Bumping version number