Update es.po.
Fix keyfile offset parameter for loopaes.

Fixes Issue#216.
Allow simple status of crypt device without providing metadata header.

If device is activated, we can provide some information from
active kernel parameters instead of header.
Fix non-header context init for device in use.
Use internel PBKDF2 in Nettle library for Nettle crypto backend.

This also requires Nettle >= 2.6.
Update TODO.
Remove unused static declaration.
Always remove temporary active device name on load and format.
Allow ECB mode in cryptsetup benchmark.
fix reencryption tests failure with older grep
Port pycryptsetup.c to Python3.
Port pycryptsetup-test.py to Python3.
Enable to specify Python version in configure.
modify FIPS checks

- we need a way to notify an user about running misconfigured system which
will turn to be unusable in real FIPS mode. For more details look at:
http://bugzilla.redhat.com/show_bug.cgi?id=1009707#c25

- also fixes invisble verbose log about running in FIPS mode due to its misplacement
Print minimal device size if LUKS header space is too small.
Update author name.
Update po files.
Fix trailing space.
sync with wiki, updated to "toned down" item 2.2
Update es.po.