v7

843b908 Release v7
6050358 lightdm: Add an override config for the default greeter wallpaper
3bd6daf schemas: Set default wallpaper to Excl_Lonely_Railway.jpg
d1b8af4 Add env file for accessibility in MATE
d4b598b schemas: Add overrides for the live desktop icons
9718ffc panel: Remove thoroughly derpy launcher icons from panels
7935f7f panel: Switch to a top panel by default for traditionalismismismisms
36cc709 Add stateless lightdm configuration for the LiveCD
04fc8ac schemas: Add override for the clock settings
0812ea3 Underp the layouts
5c49bc8 Fix the broken launcher on LiveCD (incorrect desktop name)