Contacts: Updated czech translation

Please merge before build :)

Change-Id: Ic27ad8a59d4ffb2d452bea33a500607622b8374a
Signed-off-by: kecinzer <kecinzer@gmail.com>
Hungarian translations by Klasszsrac

Change-Id: I0207071586d144e9e1286d0c1d7a268d469bd383
Signed-off-by: Gergely Szell (sethyx) <szell@hu.ibm.com>