Update to tzdata2011m.

Fixes for Europe/Tiraspol (Moldova) and all four Ukrainian zones.

Also show the MD5 of the downloaded data, for comparison against the MD5
given in the announcement mails. (There's a plan to move to proper signing,
but that's not implemented on their end yet.)

Change-Id: I845e6f125c0f54298abadc643adfeca2eff4827a
4 files changed