Fix styling for target pages

Signed-off-by: David Greaves <david.greaves@jollamobile.com>
Ensure target.id works and use: sdk-manage --target --upgradable

Signed-off-by: David Greaves <david.greaves@jollamobile.com>
Add update info overlay on hover on update buttons
Comment out emulator section
Restructure page

Signed-off-by: David Greaves <david.greaves@jollamobile.com>
Fixup css

Signed-off-by: David Greaves <david.greaves@jollamobile.com>
Use sdk-manage --sdk --upgradable

Signed-off-by: David Greaves <david.greaves@jollamobile.com>
Add missing en translations

Signed-off-by: David Greaves <david.greaves@jollamobile.com>