Merge branch 'master' of git://git.tails.boum.org/tails
Merge branch 'master' of git://git.tails.boum.org/tails

Conflicts:
	wiki/src/press.mdwn
Automatically test hostname leaks (Closes: #7712).
Add steps to add and enable a NetworkManager connection.
Add scenario to test hostname leaks via DHCP on a manually configured NetworkManager connection.
Test that the I2P boot parameter does what it's supposed to do (Closes: #7760).
Merge branch 'stable' into test/7760-i2p-toggled-via-boot-parameter
Run Synaptic from the Applications menu (Closes: #5550).

This required to make the polkit-related steps more generic: there's more
than one possible polkit prompt.
Run Gedit from the Applications menu.
Start Seahorse via the Applications menu.
Start the Unsafe Browser via the Applications menu.
Start GNOME Terminal via the Applications menu.

We could also use the launcher, but it is a weak selector, and then, for more
complicated test cases when another terminal is already running, it could be
confused e.g. with the window title bar icon.
Start Iceweasel via the Applications menu.
Start Tails Installer and the persistent volume assistant from the Applications menu.
Remove now obsolete steps and function.
Add missing picture.
Merge branch 'master' of git://git.tails.boum.org/tails
Switch to new isohybrid options by default
Drop the known issue on isohybrid
Minor nitpicking