TextSecure: PL translation

PS2: Small fixes + delete whitespaces

PS3/PS4/PS6/PS7: Fixing (thanks init0)

PS5: ... -> \u2026

PS8: Fixing (thanks Piotr)

Change-Id: Id36819f86fe33d06489ba968d9f0d5b23963f1ea
Signed-off-by: jereksel <jereksel@gmail.com>
Merge "TextSecure: PL translation" into cm-11.0