[1/2] Recent apps: RAM bar

Parts authored by: Roman Birg <romanbirg@gmail.com>
                   Gergely Szell <szell@hu.ibm.com>
[1/2] Network traffic indicator

Hide when no activity authored by kecinzer <kecinzer@gmail.com>
[1/2] Floating window

Credits:

@beerbong
@BigBrother1984
@D4rKn3sSyS
@drcmda
[1/2] Lockscreen notifications
[1/2] Hover

Credits:

@Anu6is
@aaronpoweruser
@arzbhatia
@BigBrother1984
@beerbong
@D4rKn3sSyS
@David96
@drcmda
@linuxman94
[1/2] Volume panel: Hover style