Fix translations makefile.
Started working on german translation
German translation complete
Merge pull request #127 from x3nu/master

German Translation by x3nu
Completed refactoring of secret handling, all unit tests working.

This refactoring avoids writing of keys on filesystem, exception made
for the 'setkey' command. Loopfiles and tempfiles are automatically
wiped at exit, variable are filled with random data before unset.
documentation updates
Merge pull request #128 from gdrooid/po

Fix translations makefile.