We can use switches and enums to make things more understandable
and work with results in a more sensible manner.
PS2: Move file MD5 verification and error handling into
a separate function to reduce code.
PS3: Default to false in Check_Restore_File_MD5 function
Change-Id: Id3ee0bb444cf13be67bb5dec2c43f7c26a86b954
(cherry picked from commit 5c3950716e5c7c6279efd5f3f338d6d22e5215e2)
also correct typo in all language files
also remove dummy language files for ES and FI
german translation was done on omni crowdin by multiple translators:
https://crowdin.com/project/OmniROM/de#
result was updated in line with latest changes (as of 02032016) to en.xml
Change-Id: Iddd8dbee7e050833a4dc61174288514d408267f7
Signed-off-by: z31s1g <z31s1g@googlemail.com>